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2024 Track Rules


*** Rules Subject To Change ***



SECTION 100 – MINI STOCK (Rear Wheel Drive)

Drivers, Crew Members and Fans: Rules for each respective division are posted for your convenience here on the Volunteer Speedway website. Drivers especially, make sure you are familiar will ALL RULES!!! Above you will see respective rules for each section that you will find by scrolling down the rules page.

We have tried to make racing as competitive, affordable and safe as possible for all racers and fans. VOLUNTEER SPEEDWAY’s rules and procedures are explained in detail. The management of VOLUNTEER SPEEDWAY wishes all of you a successful and safe 2024 racing season.


Volunteer Speedway will not tolerate fighting from drivers / crew members / fans! Absolutely DO NOT enter someone else’s pits and start a fight. Everyone needs to seriously think before getting into any confrontations at the track. Because (anyone/everyone) involved in fighting, misconduct or physical violence, will suffer the consequences with disciplinary actions to “possibly” result in suspension/and monetary fine before once again being allowed to compete.

Drivers involved in on-track actions such as deliberately wrecking another competitor while the race is under green flag, or deliberately ramming into a race car while the caution flag is displayed, will be subject to possible sanctions by the Race Director and Pit Officials.


  1. All drivers MUST have full driving suit to include racing gloves (Mechanix Gloves not permitted) and shoes.
  2. All cars MUST have working fire extinguisher within reach of driver.
  3. Helmets MUST meet ANSI Specifications.
  4. Racing seats are mandatory, but MUST be factory manufactured aluminum and acceptable to Track Officials. Positively NO HOMEMADE aluminum, plastic, or fiberglass seats allowed. Seat MUST be properly installed and seat backrest cannot be moved back further than the trailing edge of the door.
  5. Five-point racing harness required. MUST have manufacturers label and date and must be within two years. Any belts older than two years or that has no label WILL NOT be allowed.
  6. Roll cage must be constructed of no less than 1 1/2 inch seamless steel tubing with a minimum wall thickness of .090. The cage MUST be welded to the frame in at least six places.
  7. No bars outside of car. All bars within reach of driver MUST be padded.
  8. All cars must have an approved fuel cell. Fuel cell MUST be enclosed in metal and mounted securely between rear frame rails with 1-inch square tubing. MUST have two straps going under and over the fuel cell. Must have rear firewall between driver and rear fuel cell. … ☆☆☆ For Front Wheel Drive a fuel cell is highly recommended, but not required! If FWD car has fuel cell, it must be in a metal container and sealed off from the driver’s compartment. ☆☆☆
  9. All cars MUST have three windshield bars in front of driver, 1/8 inch x 1 inch minimum.
  10. MUST have drive shaft loops. (Front and Rear) 1/4 inch x 2 inch minimum. Driveshaft MUST be painted white.
  11. All added weight must be securely fastened and MUST be painted white with driver’s car number written on the weight. Any car losing piece(s) of weight on the track faces possible disqualification of the driver from the night’s racing, with the call being at discretion of the Race Director.
  12. Window net is required for all cars in all classes. Must be securely mounted with tension when fastened. Sprint Car type nets WILL be permitted. Must extend full length of window opening mounted to roll cage at B-post and A-post with quick release. Full size nets must have quick release at top. Suggested window net minimum of 12 inches x 12 inches (3/4-inch webbing recommended).
  13. Battery MUST be enclosed in box and mounted securely.
  14. All cars MUST have complete firewalls front and rear.
  15. Blow-proof bell housing recommended or floorboard covered with belting.



  1. It is mandatory for each individual entering a restricted area of the track to read and execute all pertinent waivers and releases.
  2. These rules and or regulations set forth do not express or imply warranty of safety.
  3. The pit area has a 5 mph maximum speed limit
  4. No person under the age of 14 allowed in Hot Pits
  5. Firearms “ARE NOT” allowed (even if you have a Tennessee licensed carry permit) on track property, except for working security and law enforcement.
  6. No alcoholic beverages (allowed in front straightaway grandstands) or controlled substances. Offenders are subject to suspension and, or arrest. Abusive language, fighting or physical abuse will not be tolerated. Offenders are subject to suspension, fine and, or arrest.
  7. Any driver exiting a race vehicle on the track unless directed to do so by a track official or in the response to an emergency is subject to disqualification.
  8. All drivers are responsible for the conduct of their crew members and associates.
  9. All drivers, crew, and associates are responsible for keeping their pit area clean, and all trash placed in trash cans (located throughout the pits) or trash bags.
  10. Equipment not conforming to specifications stated herein may be impounded by the track. All cars are subject to inspection by officials at any time.
  11. Injuries incurred at the track must be reported to office prior to leaving the track premises. Failure to do so will result in denial of insurance claims.
  12. All drivers must be ready to compete in their scheduled event. Any driver late for qualifying, will qualify last and only get one (1) lap. Any car arriving after time trials will start last in the heat race or feature race.
  13. The track reserves the right to invert qualifiers at any/all events for the sake of competition.
  14. Any driver winning three (3) straight/or more races will start no better than sixth in the next race they run! It doesn’t matter if you don’t race for a week, two, three, or more. Long as you’ve won three (3) straight/or more races, you will start no better than sixth in the next race you’re present.
  15. All events are scored in relation to the lead car. Scoring protest must be registered within 10 minutes of the posting of event results.
  16. All drivers are responsible for understanding flag signals.
  17. The following signals apply:

Green Flag: Begin and Maintain Racing Pace
White Flag: 1 Lap to Go
Black Flag: Go To Pits Immediately
Red Flag: Danger – Stop Immediately
Yellow Flag: Caution, Slow to Pace Speed, with No Passing *** Once caution flag waves, any driver deliberately ramming into/wrecking another car will be disqualified. ***
Blue Flag or Blue with Yellow Stripe: Allow Lead Cars to Pass
Checkered Flag: End of Race *** Once checkered flag waves, any driver deliberately ramming into/wrecking another car will be disqualified. ***

When the caution appears all cars must slow to PACE speed and tail the car ahead. At the discretion of the Race Director, the offending driver and or drivers may be started in the rear of the field. All other cars will restart in the running order of the last completed green flag lap.

Layover Flag: Any driver being showed the layover flag must lay over for the Leaders as directed on the RaceCeiver. Any driver failing to heed the layover flag for two (2) consecutive laps will be given the black flag.

Initial starts of the race, cars must remain in double-file until the green flag.


Start: On the initial start if one (1) lap is not completed due to the field not taking off together from double-file lineup, all cars retain their original position. However, any car going into the pits during this caution that returns to the track will restart in the rear. No exceptions. … Front row cars will be moved back one (1) row after a second (2nd) failed start attempt. Jumped restarts will be called back at the discretion of the flagman.

Starts / Restarts: On the initial start if 1 lap has NOT been completed and caution waves for a one car spin, driver charged with causing the caution must restart at rear of the field. Cars not involved in the caution will retain position unless you go to the pit area. If so you restart at the rear. … Caution if 1 lap has not been completed for a multi-car incident, each car retains original starting position unless going to infield pits. … After one lap has been completed restarts will be double file until the third caution flag, then we’ll go to single file restarts for the remainder of the event.

Cars not responding to black flag, or not getting in directed position will not be scored or paid.

Race will be official if time limit expires or laps are completed. Laps may be cut due to time limit.

17. NO RADIOS! … No two-way communication (period) permitted.
18. No signaling devices (directional or glow sticks) of any kind allowed. Will result in disqualification!
19. 25 lb. weight break for HANS device.
20. Absolutely NO TRACTION CONTROL permitted.
21. No electronic data gathering devices permitted.
22. RACEceiver is mandatory (Frequency 454.000) ANYTIME YOU ARE ON THE TRACK!
23. Any car causing two (2) caution flags in the feature will be done for the night.


If the leader is spun, car that hit will go to the rear, lead car will retain lead.

If there is a spin-out or wreck other than the leader, with a yellow flag called, cars that the yellow flag was called for will go to the REAR. If it is deemed that another car hit and caused the spin that car shall go to the REAR also.

If a car goes past the Hot Pits which ends at the track entrance it will not be allowed to re-enter the event.

Intentional Wrecking: Any driver intentionally running into another car will be black flagged and disqualified from the event and will be subject to disciplinary action, and will forfeit all monies and championship points earned that night.

Rough Driving: Rough driving will not be tolerated. The General Rule is car causing the caution will be moved to the rear of the field as instructed by the Race Director or Track Official. If there are cars that are more than one lap down, the cars involved may be moved to the end of the line of lead lap cars. Non-incidental contact between cars may subject either car to disciplinary action. Decision of the officials in charge is FINAL.

Driver on lead lap bringing out a caution must restart at rear of the field. However, should a next caution wave, driver will then be allowed to close up and become last car on the lead lap.

Three (3) courtesy laps will be given for a flat tire incurred under caution, unless driver deliberately brings out said caution. Any driver considered being causing a caution by deliberately stopping is subject to disciplinary action.

  1. Fuel for all classes will be racing gas only – E-85 OK – except for “Open Wheel Modified allowed to run alcohol.”
  2. Crate Late Model and Sportsman Late Model drivers: A driver may race (must have separate cars for each class) in two classes per night, but intention to do so must be told to an official (IN ADVANCE TO START OF NIGHT OF RACING). ** Driver must purchase two pit passes! **
  3. Any disqualification at an event equals driver and car are done for the night.
  4. Driver changes during a night’s event must be approved by the Race Director, before said change.
  5. A driver cannot change cars after the start of an event.
  6. Weekly Championship Points will be awarded to the driver. Track will audit and post points (if championship points are being kept) during the race season. Track points are official.
  7. Money from the night’s event will be paid to the person of record on file at the track office. All required forms must be executed before money will be released.
  8. Personal vehicles, other than those towing a race car will not be allowed in the pit area.
  9. ATVs are allowed in the pit area. All ATVs must adhere to all pit speed limits and safety regulations set forth by Volunteer Speedway. Anyone operating a ATV outside these guidelines will forfeit their ATV privileges and said ATV will be impounded for the Night.
  10. Injuries received at the track must be reported to officials before leaving premises. Failure to do so may result in non-payment of insurance claims. All claims must first be submitted to your insurance carrier.
  11. All cars will be weighed after qualifying, B-mains/heat races and after the feature race. No burnoff!


Rough Driving: Disqualified for the night, second offense “possible” suspension.

Fighting: Aggressor will be escorted from the speedway, disqualified and be subject to “possible” monetary fines or suspension.

Any driver / crew member that enters another drivers pit will be the aggressor.

If the incident occurs away from either parties pit, all involved may be judged as the aggressor.

Any person using abusive language or physically abusing any Track Official will be subject to “possible” monetary fine or suspension from Volunteer Speedway.

Volunteer Speedway reserves the right to increase or decrease any penalties based on the severity of any incident.

Conclusion: Many calls made by officials during a race event are judgment calls and are made based on information at hand during the event. Judgment calls may not be appealed and are not subject to review or change after a race event. Any driver, car owner or crew member who comes to the press box during a race to dispute a call will be disqualified from that night’s event.


*** Only the driver will be able to file a protest, not the car owner or a crew member! ***

Top three (3) finishers in each divisional feature required to go directly (can’t go to your pit location) to tech area after crossing the scales following the race. Only the top three (3) finishers in feature event will be allowed to protest.

The DRIVER must file protest (with the head tech director) within 10 minutes following the race, and stopping in the tech area. Protest money must be paid in cash to the head tech director!

Protesting driver must state exact protest to the head tech director.

Any driver that refuses to tear down will be deemed illegal, and will forfeit all monies and points for that event. Also, said driver will start at the rear of the field in the next event they compete in at Volunteer Speedway.

During a protest/tear-down, all technical specifications will be inspected and enforced.

Only two (2) people from each team involved will be allowed in the tech area, unless granted permission by the Race & Tech Director.

Tear down/protest will take place night of the event; all monies will be held until tear-down is completed.

Any driver that is deemed illegal, in any way, during the current season more than once will not be eligible for the track championship in their class.

Crate engines must be sealed GM, American All-Star Series, Fastrak or Crate Racin’ USA: Any other seals call before you haul. (Excluding Sportsman Late Model) all crate engines will be teched by the GM tech manual.


Any driver can protest a tire ($500) within their division and have it sent to Blue Ridge Laboratory for testing. Blue Ridge Laboratory decisions will be final. All protest must be at the scales and be made immediately after qualifying, or the feature. Rule applies to all classes. Refusal is automatic disqualification.

Random samples may be taken by Volunteer Speedway and sent to a lab for testing. If samples are collected, winnings will be held until test results come back from lab.

If lab results prove tires to be illegal, you will be disqualified. There will be a $300 fine before you race again at Volunteer Speedway.



$1,500: Engine will be removed by Volunteer Speedway head technical inspector and transported to certified (crate engine) builder. If engine found to be legal, protest money will be used to put driver’s engine back together (as it was taken apart) and driver will receive monies earned for feature race finishing position. … If engine is found to be illegal, driver is disqualified and loses monies earned for the race and also championship event points. … Volunteer Speedway will retain $500 of protest fee for removal of engine and transport to certified crate engine builder (to be determined by parties involved).

602, 604 (crate engine will be teched by a certified tech.
Certified (crate engine) tech fee will be deducted from protest money.

$1,500: Complete tear-down, carburetor to oil pan.
$600: Remove (1) head, check head, valves, bore and stroke.
$250: Cubic inch (P & G)

Any B-engine will be teched by track tech official.


$1,000: Complete tear-down, carburetor to oil pan.
$600: Remove (1) head, check head, valves, bore and stroke.
$250: Cubic inch (P & G)


$1,000: Complete tear-down, carburetor to oil pan.
$600: Remove (1) head, check head, valves, bore and stroke
$250: Cubic inch (P & G)


$1,000 Complete tear-down, carburetor to oil pan
$600: Remove (1) head, check head, valves, bore and stroke
$250: Cubic inch (P & G)

Visual Protest in all classes will cost $50. Track will retain 100% of money for Visual Protest. Visual Protest allowed prior to qualifying only.

Track will retain 25% of all other protest fees in all classes.


For the 2024 racing season, there is no rule in effect regarding to be eligible and compete in Crate & Sportsman Late Model, a driver cannot have won a race in either a Super Late Model or Limited Late Model in the past 3 years (calendar date) at any track.

A driver may run in maximum of two Late Model classes (must have separate cars for each class) per night. But intention to do so must be told to an official (IN ADVANCE TO START OF NIGHT OF RACING). ** Driver must purchase two pit passes! **


Tire Rule: American Racer – Pro 3, Pro 4 or Spec 48. ….. Hoosier – 2, 3 or 4.

Weight: 2,350 pounds with 1-pound per lap burnoff.


Steel Block Late Models will follow the Topless Outlaw Late Model Series rules at www.todlms.com


Must run bodies as per Lucas Oil Dirt Late Model rule book and roofs

Engine D: GM 525

Weight 2,350 lbs. As is from GM. (Add 50 lbs in front of bell housing)

Spoiler: 8 inch spoiler and sides.

Deck height 39 inches measured in middle

Tire Rule: American Racer – Pro 3, Pro 4 or Spec 48. ….. Hoosier – 2, 3 or 4.


*** For the 2024 racing season, Crate Late Model rules will be according to Crate Racin’ USA and American All-Star Series presented by PPM Racing Products! Except, Volunteer Speedway weight rules apply to GM 604 and GM 602. ***


American All-Star Series rules. – www.AmericanCrateAllStarSeries.com

CRUSA rules. – https://latemodeltouring.crateracinusa.com/downloads/get.aspx?i=893531


604 Late Model may run any SEALED crate engine. The seal can be a GM seal OR any sanctioning body seal. The important thing to note here is that the crate engine MUST be sealed.


Crate Engine P\N 88958602
Crate Engine P/N 19258602
Crate Engine P\N 88958604
Crate Engine P/N 19318604
Engines must meet GM factory specs and rebuilt engines must meet GM rebuild specs
Must have all GM parts
Assemble height on GM 604 engine can be no less than 1.780″
Must have GM 604 stock valve springs
All engines must have factory GM sealing bolts, any crate sanction seal system allowed
All engines are subject to impound and tear-down.
Volunteer Speedway tech will randomly P&G engines (so be prepared)!
No black market deals, any other seal system call for approval
604 Engine 1″ max carburetor spacer
602 Engine 2″ max carburetor spacer
No tri-y headers
Engine placement 7″ from center of ball joint to #1 spark plug
Lucas Oil Late Model Dirt Series body rules apply
8″ spoiler and 8″ sides max
Rear deck height 39 inches measured in middle

Racing gas or E-85 only

Tire Rule

American Racer – Pro 2, Pro 4, Spec 48 and Spec 56, ….. Hoosier – Crate 21, Crate 55. (Crate Late Model only race.)

☆☆☆ Sportsman Late Model only race: Open front. Rear Hoosier 1600 or 4 – American Racer 56 or Pro 4.

Adjustable shocks permitted (if Crate Late Model running separate). … Sportsman Late Model only, just non-adjustable shocks permitted. ☆☆☆

Tires may be inspected at any time (numbers, specs, altering, etc.). All tires must have shoulder plates.

Tires may be checked by independent lab for treating and other alterations.

Tires not conforming to the manufacturer’s benchmark will be deemed illegal.

Siping and grooving allowed.

No grinding off numbers or compound.

Any tire that has been altered will be illegal and confiscated.

No chemical treating of tires allowed.

All tires subject to sampling at any time.

All engines are subject to impound and tear-down.

1-pound per lap burnoff.

If lab results prove tires to be illegal, you will be disqualified. There will be a $300 fine before you race again at Volunteer Speedway.

Engine A: GM 604 or GM 602

Must remain stock as they came from GM. Must remain as listed in GM technical manual p.n. 38958668. American All-Star Series, Fastrak and Crate Racin’ USA specs are legal. … Rebuilt motors are allowed. Do not have to be sealed

Weight: GM 604 & Sportsman – 2,350 lbs. with 1-pound per lap burnoff.

GM 602 – 2,250 lbs. with 1-pound per lap burnoff.

Sportsman Engine B: 362 max c.i.


GM Cast Steel Block. No aftermarket blocks.

One- or two-piece rear seal, no block lighting, no splayed main caps.

Rear power steering and fuel pump OK.

All Components must remain in stock location

No raised or over sized cam journals

No over sized lifters. (.842)

Cam – Lifter on Sportsman Late Model: Hydraulic Roller or Hydraulic (.842), .450 Max lift checked at Valve.

Max bore 4.065

Stock stroke 3.480


Steel Rods – 5.700 or 6.000 Max

I-Beam Style – press fit pins or floated rods

No titanium or aluminum

Piston Flat Top 2 or 4 valve pocket style. Piston must be .005 in Block on Sportsman engine.

Oiling Systems:

No dry sump

No vacuum pumps

No external pumps


Steel stock stroke (3.480)

Minimum weight 48 lbs. with key & front timing gear

Rod and main journals 0.030 under max.

Balancing OK

0.842 lifter diameter only

No mushroom lifter

No ceramic lifter

No roller lifter

Cam bearing journals must be OEM (1.868)

Timing chain only, no gear drive, no belt drive


Steel only must be GM head. 062 part number only. Intake Bowl Max cut depth .900, Max Bowl size 1.710 + .010, Exhaust Max cut depth .550, Max Bowl size 1.275 + .010

No Bump Seals or Bump Stops in Valve Springs. Stock Seals only for .062 Cylinder Head.

No after market heads allowed

Straight plug only

Heads must be 23 deg.

Angle milling allowed, not to exceed 1 deg.

All heads must remain as cast

Steel or stainless steel valves only no titanium or other materials

Under cut stems allowed – no hollow stem

Max valve size 2.02/1.60 minimum valve weight 2.02 109 grams 1.60 94 grams

Must remain 11/32 stem diam.

CC limit on intake runner 175 max

60cc min.

Limit on combustion chamber

No porting, polishing, grinding excessive deburring in any breathing area.

No shot preening, no media blasting

Heads may be deburred on outside areas only

Valve spring pockets may be machined

Max spring pressure 105 lbs seat-260 lbs open. It will be checked on the engine with a LSM gauge. Open Pressure checked at .450 lift.

Multi-Angle valve job permitted machine cut only

Max .900 below seat

No hand blending allowed

All angles must remain concentric with valve guide

May be machine for push rod clearance

No shaft style rockers, stud style only

No raised runners

Intake Manifold:

Intake must be cast aluminum

Porting or polishing not allowed

Two piece manifolds not allowed


Any 4150 carburetor

Gas or E85


Any ignition

No magnetos

No traction control

No crank triggers


No tri-y style allowed. All headers must be standard 4 into 1 style. No stainless headers.

Pumps & Pulleys:

No electric fans.

No adjustable suspension devices mounted in the driver’s compartment. Brake adjusters are permitted.

Shock, Drive Shaft & Transmission

Adjustable shocks permitted (if Crate Late Model running separate). … Sportsman Late Model only, just non-adjustable shocks permitted.

Steel or aluminum drive shafts permitted. Carbon fiber drive shafts allowed, but not mandatory. They are encouraged for safety, but not required.

Brinn or Bert transmissions permitted.

General Rules:

  1. Tires must have all numbers and name on the tire. No grinding off numbers or names. Anytime this is altered, will be illegal.
  2. Engine set-back will be 6 inches from center of top ball joint to the most forward spark plug
  3. Track reserves the right to delete, change or amend rules in the interest of competition
  4. Any gasoline will be allowed. No alcohol. E-85 gasoline will be allowed. The specific gravity may not exceed .750 … Fuel protest fee will be $50
  5. Weight must be posted on right side A-pillar

If weight is not posted, you will only have 1 qualifying lap

Failure to post correct weight will result in disqualification.

Time limit on tear down must be done in a timely manner. Track official will monitor this. If the official declares that this has not been done in a timely manner, the track official reserves the right to declare disqualification

The track reserves the right to amend, delete or change rules in the interest of competition.

All protest (engine, buy rules) with the exception of a visual is to be done after the race is completed.



  1. Any cubic inch allowed – open engine.
  2. Cast iron block and cylinder heads (only). Absolutely no aluminum block or heads!
  3. Raised-runner heads, must add 100 lbs.
  4. Aluminum or cast iron intake permitted.
  5. No dry sump.
  6. One carburetor permitted (2-barrel or 4-barrel).
  7. Racing gas or E-85 only.
  8. No turbo. No supercharger. No nitrous oxide. No nitro methane.


  1. Stock or MSD ignition permitted (no magneto).
  2. Absolutely no traction control permitted!


  1. 104-inch wheelbase (minimum).
  2. Coil spring rear suspension cars must have full frame to center of the rear end. Coil spring cars will use factory design (Example: Metric cars will use 2 triangulated upper and 2 lower trailing arms).
  3. Camaro and Nova front stub cars may be tube from the front clip back for leaf spring rear suspension ONLY. … Full frame leaf spring conversions are OK. May run a floated right rear.
  4. Rear control arms to be: Upper 10-inch minimum, 12-inch maximum … Lower 18-inch minimum, 21-inch maximum. (Can be aftermarket)
  5. One (1) shock per corner, total of four (4) on car. Schrader valve shocks are OK.
  6. Aluminum body shock permitted.
  7. No canister shock.
  8. No coilover shock. No adjustable shock.
  9. No coil over eliminators, brake floaters, j-bars, panhard bars, lift bars, birdcages, or pull bars
  10. Upper ball joint to be even with #1 spark plug.
  11. No quick change rear ends. 9-inch floated rear end acceptable.
  12. No strut cars.
  13. No wide 5 hubs or wide 5 adapters.
  14. Weight jacks are permitted.
  15. Leaf spring rear end acceptable.
  16. No progressive springs. No spring rubbers.
  17. Minimum 5-inch diameter springs.
  18. Stock steering box (no late model type rack and pinion). May use quick release steering wheel with steering column in stock location.


  1. 3,000 pounds


  1. Front tires – open. Rear tires must punch 55.
  2. Steel wheels only (No aluminum wheels permitted)
  3. 8-inch tires, 10-inch maximum wheel width.
  4. Longer studs permitted, can be double-nutted.


  1. Any transmission permitted (stock, Bert, Brinn, etc. – but must have reverse gear).


  1. Headers are permitted, but no turn-down headers are allowed to be turned down toward the racing surface.


  1. Aluminum, steel, and composite body panels are permitted (rear may be left open). … Wagon roofs are allowed.
  2. After market stock appearing nose pieces are permitted. No wedge style Late Model noses.
  3. 8-inch rear spoiler height maximum. Absolutely no tall side spoilers permitted extending from rear spoiler forward toward the roof. No fins, wings, or any aerodynamic enhancements period, permitted!
  4. Spoiler supports to be no more than 23 1/2 inches long with no more than three (3) supports permitted.
  5. Front bumpers must be constructed of 1 1/2-inch round or 1 1/2-inch square .095 tubing (maximum). Must turn and extend rearward behind the nose a minimum of 6 inches (no welded 90* or sharp edges).
  6. Rear bumpers must be constructed of 1 1/2-inch round or 1 1/2-inch square .095 tubing (maximum). Must turn and extend forward behind the quarter panel a minimum of 18 inches (No welded 90* or sharp edges).
  7. Hood and trunk must be fastened with hood pins.



  • Body must maintain standard windshield openings and standard body size, no narrowing of bodies of any kind. No spoilers, air dams or aerodynamic enhancing devices of any kind allowed any place on car or chassis. These cars are intended to represent the era when they were originally racing.
  • Bodies must be made of fiberglass and in the style of 1932, 1934, of the 1940 era cars. Must have solid firewall and floorboard.
  • No covering of side or rear windows is allowed. The passenger side window must be cut out to allow driver exit. A roof hatch is allowed. Rear window openings no larger than: SEDAN 9 1/2 inches tall 44-inch width, COUPE 7 1/2 inches tall 47-inch width.
  • No part shall protrude through the hood other than hood retaining hardware.
  • No mirrors allowed.
  • Side nerf-bars can be of owners design as long as they protect from tire climbing as much as possible. The front and rear of the nerf-bars must be curved in toward body closer than outer edge of tire. No open end bars exposed to other cars are allowed. The nerf-bars can come through the body and connect to the roll cage and or the frame. They cannot be built of any stock over 1 3/4-inch outside diameter.
  • A firewall and floorboard must cover as much of interior area as is reasonably possible. The firewall and floorboard may be constructed of aluminum or metal.
  • Bumper Mounts (2 per side). If front or rear bumper becomes unattached, car will be parked for that event. Rear bumper not to exceed 76 inches.


  • The frame must be from the 1978-1988 mid size metric GM. 106″ wheel base minimum. The frame must maintain its stock dimensions no holes or cutting to lighten. Roll cage set back: 22 inches from center of rear end housing to closest point of roll cage, with a 1-inch tolerance. A minimum of 1 1/2-inch by .095 inch O.D. round steel tubing must be used for roll cage. All 4 points of hoop bar must be welded directly to frame.
  • The frame is required to have an x-brace built in to the bottom of it. It must be attached to the original frame no brackets off of frame.
  • Steel shocks (only).
  • A fully adjustable dual master cylinder brake pedal and master cylinder assembly is allowed. Any aftermarket steel caliper is allowed.
  • Springs, minimum of 5 inches outside of diameter. There is no minimum or maximum length requirement. Front and rear springs must mount in original locations. No coil-over shock and spring combinations allowed. The spring mounts on the top of the rear end housing can be made or modified so springs set on them properly.
  • Weight jack bolts are allowed on all 4 corners as are spring buckets. The side of the frame beside the front springs can be cut out to owner’s choice.
  • Any size diameter front sway bar is allowed from any stock production vehicle. Any mounting and adjustment design can be used. GM, Ford, Chrysler or other allowed. Any rear sway bar allowed.
  • Any power steering gear allowed that will bolt on original GM location.
  • Any power steering pump and pulley assembly allowed. Any manual steering box allowed. Steering quickeners are allowed. No rack and pinion units allowed!
  • Tie rods, drag links, idler arm and steering arm must all be OEM parts for this chassis. Steering box and idler arm can be shimmed at the frame mount for best alignment, or clearance problems as from wreck damage, or front frame rail alignment.
  • Aftermarket steel rotors are allowed on front spindles and any size lug studs are allowed. OEM rotors can be reinforced for safety.
  • Only metric 1978 to 1988 chassis spindles are allowed. And “speedway three-piece” spindles permitted. No big metric spindles allowed.
  • Both front lower A-frames and all 4 rear control arms must be stock and original length. Stock rear uppers may be modified.
  • All frame and control arm mount points must be in original location.
  • Any upper A-frames can be of owner’s choice. Any location is allowed for vertical placement of inner mounting point of upper A-frame or center line of A-frame pivot shaft. No minimum clearance from frame to pivot shaft center-line is required. Upper A-frame mount holes can be slotted vertically or horizontally if wanted.
  • The front chassis cross member can be trimmed off below drag link assembly for ease of repairs or clearance.


  • A catch can is required to be connected to all radiators.
  • Radiator must mount in front of engine.
  • OEM type belt drive water pump.


  • Steel driveshaft only.
  • A driveshaft loop is required just rear of the front u-joint.
  • The driveshaft must be painted white.


  • All cars are required to have a master shutoff switch mounted in clear view and reach of the driver’s window for easy emergency crew access.
  • No traction control.
  • No radios are allowed.
  • OEM type distributor is required. Any HEI Large Cap Distributor.


  • No 265, 283, 302, 327, 350 or 400 engines allowed.
  • Any steel I-beam rod, 5.7 length only. Any rod bolt, rods must be style and profile of stock GM production rod. 2.100″ rod size can be used, rod beams cannot be polished. Outside of rod must have all casting marks.
  • Only 305 cubic inch Chevrolet engines allowed. They must be original 1 or 2 piece rear main seal design. Cast iron blocks only. No 4-bolt main blocks allowed. A maximum of 0.060 overbore plus tolerance equaling 3.806″ allowed or 316 cubic inch. No additional tolerance allowed.
  • Legal heads consist of the cast iron emissions GM factory head. Replace it with this: Any 305 head with 184 max valves 53cc up to 1996 model. No Vortex heads. They must be totally of the same design as original on the early 305 engines such as valve angles, valve cover mounting and total bolt pattern for head bolts and intake bolts. Any head that shows definite performance gains will be omitted from competition. No vortec head or intake combination allowed.
  • No porting or polishing allowed. Valve face and seat angle combinations are to owner’s option. Valve guides and seat replacement is ok but do nothing to improve placement or locating angles. Heads are meant to only have a good basic head job done and nothing to build significant horsepower gains in flow or other characteristics. Resurfacing is allowed. The boss shoulder where the short head bolts go through cannot be shorter than 7/8″ or 0.875″. Head gaskets must be no less than 0.038″ minimum thickness after compressed.
  • Balancing of all rotating parts allowed. No excessive metal removal. Any crank minimum weight of 50 pounds with cam gear. It can have your normal engine rebuilding work, but no major weight saving or knife edging of throws allowed. Journal radius work is ok. The stock 3.48″ stroke must be maintained. No 2.00″ rod journals. The oil flow holes may be chamferred.
  • Valves must be of original 1.50″ and 1.84″ diameters or smaller. Aftermarket stainless steel valves or such equivalent are allowed. Brush or swirl finish valves are allowed but no mirror finish valves. OEM stem size is required. Valve springs cannot be more than 1.275″ diameter. Springs can only be of original style consisting of 1 outer spring and 1 inner flat style damper spring. Springs must have no more than 120 pounds closed seat pressure.
  • Any type steel springs retainer and keeper assembly allowed. Any screw-in or press-in rocker studs allowed. These include 3/8″ or 7/16″ rocker studs. Guide plates are allowed, as are hardened push rods of any length. Stud girdles are optional. Stamped steel long-slot rocker arms, roller tip rockers, or roller rockers are allowed. Rocker ration is optional.
  • The cam must be a flat tappet hydraulic design with original size diameter lifters. No mushroom or roller lifters allowed. Hydraulic lifter only. The cam lift cannot exceed .420″ at the valve. This is checked with a solid lifter in place of the hydraulic lifter. A 0.005″ tolerance will be allowed or maximum due to production tolerances allowed by cam manufacturers. Nothing more than that will pass as legal. This is the maximum left allowed regardless of ration rocker you have chosen to use.
  • Pistons can be cast or forged. They must have 4 eyebrow marks defined in the piston dome flat top design. Defined dish pistons allowed with only 2 eyebrows but no solid dome pistons allowed. Wrist pins can be floating or pressed and bushings allowed. No gas porting of pistons from the top allowed.
  • Block decking is allowed. This is checked with a straight edge held in line with wrist pin and engine cranked over with starter. Piston must not hit straight edge above block while cranking. All normal engines rebuilding machine work allowed on block. Oil drain holes can be screened. Oil paths can be polished to assist in return flow. Do not get exotic with your work as you could push over the limit. Minor work is allowed.
  • Any standard production stamped GM small block Chevy intake for trucks and cars allowed. Commonly used casting numbers are 14057055, 14014432 and 10185063. They can be of 2 or 4 barrel design and cast iron or aluminum. They must be of the late model emissions type with EGR valve mount on the intake. It must be plugged off and not functional. No vortec, off-road or marine intakes allowed. No porting or polishing allowed. A carburetor spacer or adapter with a 1″ maximum thickness allowed.
  • Any timing gear and chain allowed. No gear drives allowed. A cam walk button and cam thrust bearing allowed.
  • Any harmonic balancer may be used.


  • Engine location is to be setting as close as possible to the center of the race car chassis between the front frame rails.
  • Setback-Second plug back to be no further back than center of upper ball joint. 1 inch tolerance.


  • Any header may be used.


  • Gas Only, NO E85 or Oxygenated.
  • Box stock Holley 2 barrel 4412 only. No other 2 barrel or 4 barrel carburetor allowed.
  • Any fuel pump allowed that mounts on original engine fuel pump location. No belt drive or electric fuel pumps allowed.
  • Any air cleaner is allowed as long as it does not force outside air into the air cleaner as in a ram air effect. Any flow directional device used inside the air cleaner is permitted.
  • A fuel cell is required of no more than 8 gallon capacity. It must be mounted above and between the rear springs. Rear side of fuel cell cannot be further than 3 inch rear of rear most point of rear end assembly cover. A maximum of 2270 cubic inch outside displacement allowed.


  • Engine must retain a wet sump system. Flow routing can be of owner’s choice. Remote oil tanks are not allowed.
  • No dry sump allowed.


  • The rear axle assembly for 78 thru 88 midsize GM metric cars such as Monte Carlo, Cutlass, Regal or Grand Prix. Either 7.5″ or 7.625″.
  • No 9 inch Ford or quick change rear ends.
  • Gear ration – ANY
  • Any steel axle may be used for safety.
  • The carrier for the ring gear can be of owner’s choice, no full spools, a locker positrac and spider eliminator or welded spiders or mini locker. GM CARRIER ONLY.
  • Standard drum brake set-up or standard OEM disc brakes on rear axle assembly with steel caliper such as Camaro or Firebird. NO AFTER MARKET ALLOWED.


  • Only the GM TURBO 350 automatic transmission is allowed. No turbo 400, Power Glide or MANUAL transmissions allowed. All length 350 turbo transmissions allowed. Cases with Chevy and B.O.P. bolt patterns allowed.
  • A stock torque convertor is required. A 12 inch outside diameter is required.
  • No valve pedals.


  • Maximum tread width on front and rear is 76 inches.
  • Width is determined at the axle of the spindle center-line and at the widest point on the tire sidewall.


  • Minimum car weight is 2,500 pounds with driver after race.


  • Only 8 inch wide and 15 inch diameter steel wheels allowed.
  • Only 2 inch, 3 inch and 4 inch offset wheels are allowed on either side.
  • Only 8 inch wide by 15 inch tires.
  • 26.5 or 27.5 American Racer or Hoosier Tire. Must punch 50 at any time!
  • No chemical treatment of tires allowed. All tires subject to lab testing.


  • No drilling, grinding, acid dipping, coating, cutting or any other means allowed for purposes of weight reduction, aerodynamics, air flow or any other purpose allowed on engine, body, frame, or any other part of car.


  • See Race Track Rules and Fees.

HEADS – Any 305 with 184 max valve 53cc up to 1996 model. NO vortec!

FUEL – NO E-85 or oxygenated


Carburetor $400
Transmission and Converter $600
Headers $300
Shocks (steel only) $100 each
Balancer $100

*** Any buy rule claim can only be done after feature race. ***


Volunteer Speedway promoted Open Wheel Modified races in 2023 will utilize both the track’s and DIRTcar UMP rules. Visit the DIRTcar Racing website at https://dirtcar.com/rules/dirtcar-ump-modified/ to view the DIRTcar UMP Modified rules.

*** NOTE (regarding tires permitted at Volunteer Speedway): The “only tires” permitted for Volunteer Speedway Open Wheel Modified competition are the Hoosier M-30S and M-60 compounds, along with American Racer Hard and Extra Hard in the DIRTcar plated tire 26.5/8.0/15 or 27.5/8.0/15. The maximum width of the tire will be 9” inches. … The M-60 may be used as a right rear option tire. Siping permitted on all tires.

Open Wheel Modified allowed to run alcohol!


Chassis and Body

  1. Any two or four door domestic or foreign car or truck with a 90″ – 105” wheel base. Wheel base must match make and model of car.
  3. No mixing of manufacturers. If you race a Ford Mustang it must be a Ford Mustang.
  4. Must have stock fire wall, in stock location and floor pan. You cannot weld a floor pan on to a tubing frame.
  5. Damaged sections of the chassis may be replaced with tubing or sheet metal in stock location only.
  6. Chassis on a Fox Body Mustang can be cut in front of front shock towers and behind rear shock towers and finished out with tubing, if they remain in the stock position and mount.
  7. Leaf Spring Cars must retain the stock chassis all the way back to the rear leaf spring mounting points and positions.
  8. Trunk area can be cut out, but the shocks must go through the OEM holes.
  9. Damaged areas of the chassis can be repaired however spring mounts, perches, and seats along with control arms, trailing arms, pivot points and all other suspension mounts must be straightened and then reinforced with tubing and/or sheet metal.
  10. Rub bars or Nerf bars must be behind the body’s skin.
  11. Aftermarket sheet metal or aluminum bodies allowed.
  12. Open back end allowed.
  13. Nose and tail pieces including MD3 allowed.
  14. Spoiler must be no more than 8” max.
  15. Side spoiler allowed but limited to left side only, must not be higher than 10” and not be longer than the rear spoiler side board.
  16. No other spoilers will be allowed.

Running anything different than what is described above may result in added weight penalties or disqualification


  1. Front tubular control arms are allowed with a 10 lb. per wheel weight penalty. The tubular control arms must be mounted in the stock locations and non-adjustable.
  2. Tubular control arms can be lengthened or shortened.
  3. Fabricated K members will be allowed with a 45 lb. weight penalty in which 10 lbs. must be mounted in front of the firewall.
  4. Lengthening or shortening of stock A-arms or control arms will be allowed with a 10 lb. per wheel penalty.
  5. Caster and camber plates allowed.
  6. Screw jacks allowed.
  7. All suspension components, springs, shocks, sway bars,  etc. must be mounted in stock location.
  8. Shocks with external reservoirs will not be allowed.
  9. Racing shocks and struts are allowed if they can be mounted in the FACTORY POSITIONS.
  10. Shocks must retain stock angle. In order to be able to run different shocks, the shock mount can be moved up for shock travel if the angle is not modified.
  11. If your car did not come from the factory with coil over shocks, you cannot run them.
  12. Only one shock per wheel will be allowed.
  13. No J bar or three link allowed.
  14. Leaf spring cars may use blocks or jack bolts to adjust the ride height of the car.
  15. Bump steer will be allowed.
  16. All suspension pivot points must remain in the factory locations with the following exceptions:
  17. Strut front ends may alter the top mounting location of the strut in order to adjust caster and camber
  18. A-arm front ends may shim the upper a-arms to adjust caster and camber
  19. 4-link cars may adjust pinion angle by adjusting the length of the upper links only.
  20. Leaf spring cars may alter the shackle length (but must maintain the OEM pivot location) to jack weight
  21. Leaf spring cars may adjust pinion angle by altering the block shape between the leaf spring and rear- end housing.
  22. Leaf spring cars may run Sliders with a 30 lb. per penalty
  23. No suspension parts can be added to cars not equipped from the factory, i.e. no adding a pan hard bar or sway bar.

Running anything different than what is described above may result in added weight penalties or disqualification


1. Minimum weight 2,050 lbs. AT NO TIME CAN YOU WEIGH LESS THAN 2,050 lbs.

2. Car must weigh one pound per cc. (example, 2300 cc must weigh 2,300 lbs.) Engine displacement must be clearly posted on the hood. … No post-race weight burnoff!

2. All weight must be attached with at least 1/2″ bolt and be painted white with the proper car number on it.

Tires and Wheels

  1. 13” wheels 10″ width wheel maximum.
  2. 10” tires are allowed with a 10 lb. penalty per wheel. 
  3. If you run 8” wheels you can take a 20 lb. per wheel weight break. 
  4. Tires must not be treated with chemicals, solutions or any other compounds.
  5. Any Hoosier or American Racer tire allowed, but must punch 48 or harder.
  6. Wheels must be steel. Beadlocks allowed.

Running anything different than what is described above may result in added weight penalties or disqualification

Rotating Assembly

  2. Any four-cylinder engine in stock location allowed.
  3. No after-market or racing blocks.
  4. No turbo or supercharger allowed.
  5. No dry sump.
  6. Only flat top pistons allowed. Toyota 3TC may run dome top.
  7. No titanium wrist pins allowed.
  8. Boring any cylinder more than 0.080” oversized will be allowed with a 40 lb. weight penalty.
  9. Any steel rod allowed.
  10. Stock OEM production crank shaft allowed.
  11. Billet steel crankshaft allowed. Machining of the crank is allowed such as lightening, knife edging or rod and main journals if you maintain a stock stroke.
  12. All engines must use an in-block wet sump oil system.
  13. No vacuum pumps allowed.
  14. No rotary engines allowed.
  15. If you change the engine between qualifying or the heat races and the feature race you must go to the back of the field for the feature.

Running anything different than what is described above may result in added weight penalties or disqualification


  1. Any distributor with any ignition box or stock ignition allowed.
  2. Crank Trigger Ignition Allowed.
  3. Any ignition system used must be readily available to the general public.

Running anything different than what is described above may result in added weight penalties or disqualification

Cylinder Head

  1. Any cast iron head allowed if they are/were available to the general public for sale.
  2. OEM production aluminum heads on Toyota allowed.
  3. No aftermarket aluminum heads allowed on any engines
  4. No dual camshafts.
  5. Milling, Porting and polishing allowed.
  6. No relocation of intake/exhaust ports or runners
  7. Filling head and machining to reconfigure runners and ports will not be allowed.
  8. Any cam allowed.
  9. Any size valves allowed.
  10. Valve guide spacing or geometry cannot be altered.
  11. Unported hydraulic non-roller head with OEM size valves = 100 lb break
  12. Unported solid non-roller head with OEM size valves = 50 lb break
  13. Any unported head with roller cam or oversize valves will get no weight break
  14. Aftermarket cast iron heads will have a 40 lb. weight penalty.
  15. ACI head add 40 lbs
  16. Any OEM head on Ford will receive a 40 lb. weight break.

Running anything different than what is described above may result in added weight penalties or disqualification.


  1. Intakes that are cast with no welding on the outside except to plug water inlets/outlets or injector ports are allowed.
  2. Fabricated intakes will be allowed with a 30 lb. weight penalty.
  3. OEM manifolds with any welding performed on the outside other than to plug water inlets/outlets or injector ports will carry a 15 lb. penalty.
  4. Porting and polishing and port matching is allowed.

Running anything different than what is described above may result in added weight penalties or disqualification


  1. Any header will be allowed.

Cooling System

  1. Any size radiator will be allowed.
  2. Electric water pumps will be allowed.
  3. Relocating the radiator will be allowed.
  4. Electric cooling fan will be allowed.

Running anything different than what is described above may result in added weight penalties or disqualification.

Drive Line

  1. Only a stock transmission will be allowed.
  2. Top loader transmissions will not be allowed.
  3. Transmission must have forward and reverse gears.
  4. Lightening of the transmission is allowed.
  5. All internal gears must be OEM stock production Ford gears.
  6. No billet gears allowed.
  7. No aftermarket transmissions allowed.
  8. No racing transmissions allowed.
  9. Any working racing clutch, such as a Tilton, Quarter Master, or Gold Star allowed.
  10. Couplers are not allowed.
  11. If you run a stock clutch, pressure plate and non-lightened flywheel you can take a 50lb weight break.
  12. If you run a stock clutch, pressure plate and lightened flywheel you can take a 40lb weight break.
  13. Transmission bell housing must have a ¾” or larger inspection hole in it to allow clutch inspection.
  14. Stock OEM housing Ford 9″ rear-end allowed.
  15. No quick-change differentials allowed.
  16. No floaters allowed.
  17. Locking of differential or racing spool allowed.
  18. Traction control is not allowed.

Running anything different than what is described above may result in added weight penalties or disqualification

Fuel System

  1. Stock fuel injection will be allowed.
  2. Aftermarket fuel injectors will not be allowed.
  3. Holley 4412 500 cfm and Holley 7448 350 cfm 2-bbl carburetors allowed 500 cfm Max.
  4. Carburetor must pass Holley 4412 go no go gauges
  6. Choke horn may be removed.
  7. Carburetor must have boosters with no modifications to boosters or venturi.
  8. Only Racing Gasoline will be allowed.
  9. Any fuel containing any type of alcohol will not be allowed, that includes E85 and oxygenated fuels that contain alcohol.

Running anything different than what is described above may result in added weight penalties or disqualification.


  1. Fuel cells are required on all cars.
  2. All cars must have at least a 4 point roll cage.
  3. All drivers must wear a fire suit
  4. Gloves and racing shoes recommended. Window nets are mandatory.
  5. All cars must have a fire extinguisher within reach of the driver. It is recommended to have two driveshaft loops
  6. Mirrors and two-way communications are not allowed.
  7. RaceCeiver mandatory.

Running anything different than what is described above may result in added weight penalties or disqualification.



1. Any stock OEM frame, or Johnson XYZ full perimeter frame allowed. 


1. American rear wheel drive only. 108 inch minimum wheelbase ½ inch tolerance.
2. Stock or stock appearing after-market body only, bodies must retain stock appearance. All home-made bodies must be stock looking, and look like what car you’re claiming. No station wagons or trucks. Five Star and AR Bodies, OK. Stock or aftermarket type roof. Must be mounted level with stock looking post. Late Model style sail panels allowed (but must be open).
3. Cross breeding bodies and engine. Engine manufacturer and body manufacturer may be cross-bred. … Example: Chevy engine in Ford chassis and body, or Dodge or Ford body on Chevy chassis and engine.
4. Must have firewall and floor-pan to rear of driver’s seat. Firewall may be clearanced for headers. Driveshaft tunnel or loop required. … May make firewall and floor-pan out of thick heavy guage aluminum, .080″ minimum thickness, and meet the same criteria as steel firewall and floor-pan. No tunneling floor-pan like Late Model or Open Wheel Modified. Body must be centered on chassis, and be stock appearing all ways.
5. Aftermarket nose and tail pieces mandatory. No holes in tail piece!
6. All glass and plastic must be removed.
7. For safety purposes all cars must have minimum 13″ wide window opening on both left and right sides in case of emergency.
8. Driver cockpit rock shield cannot extend any further to the rear than the steering wheel.
9. No raised quarter panels. Deck height 40″ pre-race with a 1″ tolerance given post-race only. Measured from bottom of spoiler to the ground. Deck width 64″ maximum. No fiberglass side body panels anywhere.
10. Spoiler 8″ tall maximum, with 8″ side boards (any engine). 60″ maximum width rear spoiler, and must be centered on body. Body and spoiler sides see drawings.


1. Must use stock steering box, stock drag link, and idle arm. Tie-rods and ends may be tubular and made heim-jointed.
2. Quick steer allowed.
3. Any stock type spindles allowed (recommended Speedway three (3) piece spindles for ease of repair).
4. No wide 5 spindles or safety hubs.
5. Tubular stock length lower control arms.
6. No shortening or lengthening lower control arms.
7. Weight jacks allowed.
8. Tubular aftermarket upper control arms allowed.
9. Cross member may not be cut or altered except for fuel pump or oil pan clearance.
1. Stock rear suspension only.
2. Must be the same as make of car being raced.
3. Stock rear frames may be repaired from center of rear-end housing to rear bumper with square tubing or 1 3/4″, .095 minimum thickness round tubing.
4. Any stock type rear-end housing permitted (GM 10-12 bolts, or Ford 9″) in any make of car.
5. No quick-change rear-ends!
6. Floater axles permitted.
7. Must use steel stock lug pattern hubs.
8. No wide 5 aluminum safety hubs.
9. Rear-ends may be locked.
10. Rear trailing arms may be mounted with heim joints or bushings.
11. Leaf spring cars may have adjustable shackles on rear only.
12. No sliders front or rear.
13. Lower and Upper trailing arms may be adjustable but must be within 1-inch of factory length. Must mount in stock location on the frame.
14. Spring or rubber bump stops only allowed.
1. GM Part Number 889586602 / 192586602 / 88858602
2. These engines are sealed at the intake manifold, cylinder head, front cover, and oil pan with special twist-off bold heads originally from Chevrolet Performance. Original GM seal bolts, Crate USA Gen. III (yellow), or Gen. IV (green) are the only seals allowed. To compete with any other sealing system, contact Volunteer Speedway tech director.
3. Crate engines must remain stock as they came sealed from the factory and not be altered, modified or changed from factory specs.
4. The sealed engines must remain intact and not be tampered with. Any seals that have been removed or tampered with will make the engine illegal and no eligible for competition.
5. The penalty for anyone tampering with seals, modifying any internal engine parts, or changing the parts from stock as delivered sealed from the factory, will be subject to expulsion from racing at Volunteer Speedway for the remainder of the season and future seasons.
6. No changes are allowed to the engine including the intake manifold, heads, valve covers, front cover, oil pan, harmonic balancer, or any other part(s) on or in engine.
7. No vacuum pumps. 
8. Engine’s GM serial number, or build certification number, must be clearly visible to tech director. 
1. 362 cubic inch maximum, factory steel production block. Any cast iron 23 degree steel head (no raised-runner head permitted). No porting or polishing of cylinder head.
2. Maximum valve size 2.02″ intake, and 1.6″ exhaust.
3. No aluminum heads.
4. Steel or cast cranks and rods. No exotic material cranks or rods (aluminum or titanium).
5. Flat top pistons only. Any flat tappet camshaft only. No roller cams. Timing chains only. No gear drives.
6. Stud mount rockers only. No stud girdles.

1. OEM blocks only, zero deck max bore .060 .003 tolerance on both. Stock lifter bore for engine claimed. GM .842 Ford .875
2. Stroke must match block claimed.
3. Stock style crank or stock replacement. Crank will be weighted with key, gear and pilot bushing. 49.5 lbs. minimum weight. May be balanced.
4. Stock style or stock replacement I beam rods only. May use cap bolts. May be balanced.
5. Chevy 362 max cubic inch: 3.48 stroke 5.7 rods.
6. Ford 364 max cubic inch: 351w 3.50 stroke 5.956 rod. … 351c 3.50 stroke 5.780 rod. … 302 3.00 stroke 5.090 rod.
7. Flat top 4 eyebrows piston only. All 4 eyebrows must be the same. Piston cannot extend out of block. 351c will only have 2 eyebrows.
8. Aftermarket pan OK. Wet sump only. No crank scrapers or windage trays.
9. OEM cast iron stock production 23 degree heads only. No vortech or angle plugs. No angle milling .002 tolerance. Flat mill only. No porting or polishing. GM max intake port 175cc. Steel or stainless steel valves locks and retainers only. Any valve spring. Ford 20 degree heads max intake port 175cc. “except Cleveland head” max intake port 225cc. Heads may be cut for screw in studs and guide plates. No roller or roller tip rockers. Stamp steel only stock ratio. GM 1.5 … Ford 302 … 351w 1.6 351c 1.73. long slot OK.
10. Valve spring pressure B-engine open pressure (+/-8 lbs) 195 lbs. Installed height closed (+/-5 lbs) 80 lbs.
11. Valve size – GM/Ford 302 351w intake 2.02 exhaust 1.60 11/32 stem. … Ford 351c intake 2.19 exhaust 1.72


1. Engine Option 1 (GM 602): 2,900 lbs.
2. Engine Option 2: 3,000 lbs.
3. Engine Option 3 (B Engine): 2,900 lbs.
1. Engine must be mounted in stock location, center of chassis. #1 spark plug must be in front of or center-line of upper ball joint.
2. Weight penalties of 50 lbs. per 1/2″ will be added forward of water pump for improper setback.
1. GM 602 engines may run 650 Holley.
2. 500 cfm 2-barrel on Engine Option 2 and Engine Option 3.
3. May run 1″ maximum carburetor spacer, .040″ tolerance (at no point may spacer extend into intake manifold area), with 2 standard carburetor gaskets, .070″ maximum thickness on either engine.
4. Carburetors will be checked with go-no-go guages, top-to-bottom.


1. Any standard stock distributor type electronic ignition allowed. MSD, OK.
2. No magneto, and no crank trigger systems.
3. Absolutely no electronic traction control devices allowed.
4. Drivers finishing in top 5 may protest another top 5 finishers box for $100. … Track keeps $100 protest fee!
1. All cars must have starter in working order.
1. Stock type cast or aluminum permitted.
2. No electric water pump.
3. Manual fans only, no electric fans permitted.
1. Collector type headers required. Must have four (4) tubes into one (1) collector of consistent diameter.


1. Automatic transmission with shift kits allowed.

2. Bert or Brinn transmission allowed with any clutch. But, no ball-spline Bert or Brinn permitted.
3. Must have working reverse.
1. Steel-bodied, symmetric (same size/diameter), non-adjustable shocks only. No schrader valve shocks. No piercing valves. Shock valving or gas pressures may not be adjustable at racetrack.
2. No coil overs.
3. Shocks may be relocated and have eye mounts.
4. Shocks may be claimed for $250 each by anyone finishing the feature race.
1. Must have operational brakes. Dual master cylinders, OK.
2. Standard steel rotors only.
3. No scalloped or gun drilled rotors.
4. No exotic brake systems.


1. 8″ steel wheels maximum. Beadlocks allowed. Stock type lug patterns only. No wide 5 wheels or adapters.
2. Any (8″) Hoosier or American Racer tire permitted. Grooving and siping tire, OK. DOT tires permitted.
3. No chemically altering of tires.

1. Racing gas or E-85 only. No alcohol.
2. An approved fuel cell must be securely mounted in the trunk area of the race car, inside a .20 guage metal box supported by a minimum of two 2″ x 1/8″ steel straps.
3. Mechanical fuel pump only. Mounted in stock location.
1. Anyone in top 5 can protest, and protester may counter protest.
2. Only two people from the protested car and the driver filing the protest will be allowed in the tech area during protest. Driving initiating the protest must be present. All official’s decisions are final.
3. Complete tear-down 602 engine will be teched as it came from GM, by a certified tech. Cost $750 tech fee will be deducted from protest money.
4. B-engine complete tear-down cost $600, track will retain 30%. Any B-engine found illegal, car and driver will be suspended for one calendar year.
5. P&G – $250
6. Remove head, check head, valves, bore and stroke – $400
7. Fuel test $50, track retains 100%. 
8. Visual protest allowed prior to qualifying only, and in a timely manner to where racer may have time to fix problem. Track will not hold up program for repairs. Panels maybe removed to see parts within reason.
Visual protest will cost $50, track will retain 100%.
WEIGHT WILL BE ADDED FOR ANYTHING NOT COMPLYING TO RULES. Also, Volunteer Speedway reserves the right to add weight to equalize competition. … All other safety and general rules apply.


1. 4-cylinder Front Wheel Drive normally aspirated engine. Stock for make and model – Dodge to a Dodge, Honda to a Honda.

2. All safety equipment required. See General Rules section.

3. WEIGHT: 1 pound per cc, with a minimum 1,800 pounds “after race.”

4. TIRE: DOT tire only. No racing tires allowed, this includes DOT approved racing tires – Hoosier, American Racer, etc. … Federal Legend stamped INEX For Professional Competition Use tires permitted.

5. WHEEL: Aftermarket wheels, OK. Beadlocks, OK. 7-inch maximum.

6. SUSPENSION: Stock for make and model. May change camber. No coilovers.

7. DRIVELINE: Stock, but may weld differential.

8. ENGINE: Stock, but may change intake in front of throttle body. K&N air filter, OK. May run header. No turbos or superchargers. May run chipped computer for gearing. Everything else must be the way it left the factory.

9. CAR EXTERIOR: Stock, but all glass/moldings/trim must be removed. Damaged body panels can be replaced with fabricated parts, but “must” still look like the car originally did.

10. Fuel cell highly recommended, but not required! If car has fuel cell, it must be in a metal container and sealed off from the driver’s compartment.

11. No performance parts on the car. This is meant to be an entry level, inexpensive class.

12. PROTEST RULES: Visual $50, with track retaining 100 percent. … All cars must provide manual with engine specs. Pulling intake $100 … pulling head $250 (track will retain 30 percent of protest fee).

13. COMPUTER CLAIM: $250 claim rule on the computer (drivers may only claim computer for same make of car as you drive, for example: Honda driver can buy Honda computer, Toyota driver can buy Toyota computer) after the feature. Anyone who finishes the race, on the lead lap, can claim the computer.