2015 Thunder Car Rules & Procedures
A. No alcoholic beverages or controlled substances are to be consumed before or during races by anyone entering the pit area.
B. Kokomo Speedway officials reserve the right to reject or allow the entry of any driver or car.
C. Rule changes or interpretation of rules is at the discretion of track officials.
D. The decision of track officials is final.
E. Suspensions will be strictly enforced for fighting or any other acts the management of Kokomo Speedway deem inappropriate. Any actions that need be will be prosecuted to the fullest extent of the law.
2. DRIVER/CREW MEMBER CONDUCT
A. Physical Altercations in the pits or on the speedway premises at any time is prohibited and subject to suspension or exclusion. Anyone involved in any form of a physical altercation with a speedway employee will be suspended indefinitely and prosecuted to the fullest extent of the law.
If you are involved in any physical altercation, you will be suspended for a minimum of the next four racing events. In an addition of the suspension, you will be required to pay a minimum fine of $500.00 before being allowed on the speedway property.
If you are involved in a second physical altercation during the racing season, you will be suspended for a minimum of one year from date of this incident. In an addition of the suspension, you will be required to pay a minimum fine of $1000.00 before being allowed on the speedway property
B. The driver assumes responsibility for the actions of his or her pit crew at all times on speedway property. Drivers will be issued the following penalties for pit crew misconduct. If any of the driver’s crew is involved in a physical altercation, you will be fined a minimum of $250.00 for each crewmembers actions. You will not be allowed to compete at the speedway until the fine or fines are paid in full.
C. Abuse of any Kokomo Speedway official and use of improper language or obscene gestures at any time is prohibited and subject to following penalties.
You will be escorted from speedway grounds, and suspended from one week of racing activities. Also you will be fined a minimum of $100.00, before being allowed on the speedway grounds.
If are involved in a second incident during the race season, you will be escorted from speedway grounds, and suspended for four weeks of racing activities. Also you will be fined a minimum of $500.00, before being allowed on the speedway grounds.
If are involved in a third incident during the race season, you will be escorted from speedway grounds, and suspended for one year of racing activities from the date of this incident. Also you will be fined a minimum of $1000.00, before being allowed on the speedway grounds.
D. Un-sportsmanlike driving, rough driving, or unnecessary bumping is prohibited and will result in removal from a race. If you are disqualified during any event for rough driving, the following penalties will result from these actions.
You will forfeit all prize money and points for that evening and be suspended from the speedway grounds for the next racing event.
You will forfeit all prize money and points for that evening and be suspended from the speedway grounds for the next four racing events. Also you will have to pay a fine of a minimum of $250.00 before being allowed on the speedway property.
You will forfeit all prize money and points for that evening and be suspended from the speedway grounds for one year from the date of this offense. Also you will have to pay a fine of a minimum of $500.00 before being allowed on the speedway property.
3. RACING RULES
A. At no time shall any non-competing member, crew member, owner or other person associated with a race car be permitted on the racing surface following the start of a race and prior to the final lap without the express permission of a Speedway official. Failure to do so could lead to immediate removal from speedway property. This rule is in place for your crewmembers safety.
B. Kokomo Speedway officials reserve the right to request a doctor’s release at any time, for a said driver to participate at Kokomo Speedway.
C. Driver and car changes are permitted only prior to the official start of a race. The official start of a race is when the field enters the track. When determining the official start, one lap does not have to be completed. However, scoring for position does not begin until one green flag lap has been completed. All cars will need to enter the track under their own power to get start money and points. After that point, no change of drivers is permitted. Driver changes may occur only if the driver is qualified for that said race. Any drivers making a change will go to the tail of the field. Points earned will be awarded to the driver starting the race. If a driver wishes to change cars prior to the event start, only the driver or crew chief is allowed to inform the official in the pit tower of the change prior to the start of the race. If this does not occur, the driver will forfeit all points and payout earned in the event. NO EXCEPTIONS.
D. On a yellow or red flag that happens on the start of a race, any car(s) that enter the pits will go to the tail of the field, even though a lap has not been completed. All repairs or adjustments to cars must be made in the pits. This includes portions of the race run under yellow or red flag conditions. Violation will result in the car being placed at the rear of the field.
E. Cars may only enter the track from the backstretch, as directed from the pit steward.
F. No electronic communication devices are permitted within the car.
G. If a driver refuses the officials order to take a certain position on the track (i.e. go to the back of the field), resulting in a delay of the race, he/she will be penalized one lap or will be Black-flagged.
H. When the black flag has been displayed to a racecar, scoring of the car shown the flag will stop until the car returns to the track from the pits after the required consultation.
I. A driver meets rookie qualifications for his/her division if he/she raced in six or fewer races in a single previous season in that division.
G. All Kokomo Speedway drivers must be a minimum of 14 years of age to compete.
The purpose of this division is to provide an inexpensive way for a beginner to get into stock car racing.
1. All thunder cars must be strictly stock for make and model of car.
2. Top five may be weighed immediately after the feature.
3. Inspections may be made at anytime at the discretion of track officials.
1) SFI-approved full fire suit is required.
2) Fire retardant gloves and shoes are mandatory.
3) Neck brace or head and neck restraint system is recommended.
4) Driver-side window net required, minimum 16 inch by 20 inch ribbon or mesh style, and must be mounted to roll cage so latch is at top front of window.
5) Snell-rated SA2000, SA2005 or SA2010 helmet required.
6) Minimum three inch wide SFI-approved five point safety belt assembly required (Y-type shoulder harness not allowed), must be mounted securely to roll cage, recommended to be no more than two years old. It is the responsibility of the driver, not the officials or the track to ensure that his/her seat belt restraint system and all components are SFI approved, correctly installed, maintained and properly used.
7) Kill switch required within easy reach of driver and must be clearly marked ‘OFF’ and ‘ON’.
8) Roll bar padding required in driver compartment (Fire retardant recommended).
9) Cars must have fire extinguisher in reach of the driver.
10) RACEceiver one way communication device is mandatory.
1. The stock steel unaltered floor pan, stock front firewall will be used only. Stock wheel wells must be retained in rear.
2. No holes in the hood, roof or trunk lid. Hood will be kept in place at all times. All stock sheet metal will be mounted on car at all times.
3. All doors and body panels will be welded together.
4. A complete firewall must seal trunk from drivers compartment. 16 Ga. Sheet metal min.
5. The only modifications to the floor pan, firewall or trunk floor are for repair of rust areas or to install fuel cell in trunk. All holes in
driver’s compartment must be covered with minimum of 16Ga. Sheet metal.
– If a fabricated steel firewall is used 75lbs of weight must be evenly added to the outer edge of the left & right side of the front side of the firewall for a total of 150lbs. The car must weigh 3350lbs with a fabricated steel fire wall.
6. Trunk floor may be cut to accommodate fuel cell. Minimum of 2-12 GA. 1 ½” safety straps.
7. No spoilers allowed.
8. Aftermarket nose and tail panel permitted.
9. Stock style bumper only if nose and tailpiece are not used. Bumper will be securely attached in place in stock location welded to frame rails. No front or rear
bumper shocks allowed.
10. Ballast will be allowed, but must be bolted to frame or to cross member rails. All ballast will be painted white with number of car in contrasting color.
11. No Uni Bodies.
1. 3200 LBS with 500cfm 4412 two barrel carburetor
WINDSHIELD AND GLASS
1. All glass, headlights, tail lights must be removed prior to arrival at the track.
2. No broken glass shall be in the car. Car must be swept clean.
3. Full 3/8″ bars minimum, in front of driver. 4 bars minimum. 3/8 solid bars with wire mesh.
1. Engine block will be stock O.E.M. small block passenger car, for make and model of car.
*No 400+ engines. 350 C.I. Small block only for make and model of car. 350 C.I. Ford, 360 C.I. Chrysler
*Block numbers will be checked. All blocks will have legible numbers
2. Stock from carburetor oil pan.
3. Aftermarket air filter permitted.
4. Engine will be mounted in stock O.E.M. position.
5. Stock rear transmission mounts only, with stock transmission mount cross member, bolted to frame.
6. Must idle stock – 850 RPM maximum
7. No engine swapping between make and model of car
8. No external vacuum canisters.
9. The maximum engine over bore permitted will be .040 on the 360 Chrysler engine. On Chevrolet, Ford and 340 Chrysler, the maximum over bore permitted
will be .060.
* 1. Chevrolet engines will be permitted a maximum displacement of 360.4 c.i.d.
* 2. Ford engines will be permitted a maximum displacement of 362 c.i.d.
* 3. 360 Chrysler engines will be permitted a maximum displacement of 367 c.i.d.
Steel stock heads only. No after-market, vortec, bowtie, or aluminum heads. No port work allowed. No roller rockers. Stock for make and model
Must be strictly stock for make and model of car. Cast iron intake manifold only. No high-rise truck, marine type, vortec or bowtie intakes
allowed. No porting or polishing of any kind allowed. You will pull carburetor to inspect intake at track official’s discretion.
OEM cast iron exhaust manifolds only. No center dump type manifolds. Exhaust must extend past firewall and turn towards ground. Maximum two inch O.D. exhaust pipes. Must remain dual exhaust, no crossover or ‘Y’ pipes. No exhaust sensors, no center-dump manifolds allowed on Chevrolet. No Headers allowed
1. One gauge legal 500 CFM 4412 Holley unaltered carburetor.
2. The original choke tower must remain in its stock position and configuration.
3. The choke blade may be removed.
4. Any other alterations to the body of the carburetor, internal working mechanisms, venturis, throttle plate and/or any other part and/or component of the carburetor will not be permitted.
5. Carburetor jets may be replaced and/or adjusted as an engine tuning method.
6. No Holley HP 2 barrel carburetor or HP throttle shafts.
7. After market filters allowed as long as it will not require cutting hole in hood to fit on motor.
1. Stock manual fuel pump mounted in stock location on engine. Must shut off fuel supply to engine when engine is not running.
2. No electric fuel pumps allowed.
3. All fuel lines routed through drivers compartment will be enclosed inside rigid tubing from bending rear firewall through front firewall and sealed at both ends.
4. No E85 allowed in thunder cars.
1. No dual point distributors.
2. Stock coil in stock location, must use stock distributor.
3. Battery must be securely mounted inside plastic battery safety box.
*Plastic battery case will be securely mounted to frame or roll cage bars behind driver’s seat.
*Battery box top will be securely mounted to battery box.
4. Battery lines running from battery through front firewall will be mounted in flexible tubing, i.e. garden hose, etc. and sealed at both ends.
5. Ground wire will be directly to frame or roll bar.
1. OEM automatic transmission. All components must be replaceable by OEM components and in stock location. Torque converter must be a steel case functional torque converter with all elements with a minimum of 10-3/16” outside diameter. Converter must have a 1/8” drain plug on outside of converter. Converter temperature and fluid volume may be measured to ensure compliance. Converter must be as warm or warmer than transmission. Converter when drained must measure a volume no less than three (3) quarts. Cooler lines must be blocked off before draining converter for measurement. Addition of material to increase stock converter diameter is illegal. All transmissions must have an operating forward, neutral, park and reverse. All transmissions must be able to stop and idle in gear. A functioning shifter must work and be in stock location. No lock-up type converters allowed. Automatic transmissions will not be allowed to have any wires, cables, or attachments other than shifting linkage and hydraulic fluid lines installed for cooler – no GM Powerglide Transmissions allowed.
2. Stock Production Steel Case OEM Manual Transmission. Flywheels & flex plates must be steel, no aluminum. Must have OEM style minimum 10-1/2 inch flywheel and clutch. No double or triple disk clutches allowed. Steel scatter shield is mandatory.
3. Drive shaft must be painted white
4. Drive shaft hoop mandatory under drive shaft 6″ to 8″ behind transmission tail shaft. No chains.
1. Stock radiator in stock location.
2. Aluminum or plastic radiator allowed.
3. No electric fans.
REAR END DIFFERENTIAL
1. Post traction limited slip, locked or welded, spider gears allowed.
2. 9″ Ford rear end differentials allowed in non-Ford cars. Floaters will be allowed.
1. No altering of stock brakes allowed.
2. Brake pedal must remain in stock location.
3. Cars must have fully functional brakes on all four wheels.
4. Rear disc brakes allowed. Brake assemblies must be in stock location on all four corners.
5. No brake bias or proportional valve permitted.
6. One O.E.M. master cylinder only for make and model of car.
1. Body and frames must be O.E.M. stock for make and model of car in O.E.M. location. No switching or shifting of any body parts allowed.
2. Complete bumper-to-bumper O.E.M. stock frame for make and model of car other than repairs needed to repair areas due to rust or damage.
3. Repairs to stub must retain exact O.E.M. measurements for make and model of car.
4. A four-post roll cage must be used with three door bars on driver’s door. Driver’s door must have 1/8″ steel plate on door bars. Minimum of two bars on passenger side of car.
5. Cage can be braced, rearward to the frame where it starts to kick up over the rear end. Bars may be added from firewall forward to protect frame and radiator. Front firewall, front or rear hoods optional.
1. O.E.M. stock suspension only for make and model of car. Front A-frames and rear suspension arms, O.E.M. stock for make and model of car.
2. No coil-over, overload, cargo ratchet or air assisted shocks permitted.
3. Racing shocks permitted must fit in same brackets as O.E.M. stock front and rear, for make and model of car.
4. Racing springs allowed, must maintain stock O.E.M. frame and body heights for make and model of car.
5. OEM upper A-frame may be replaced using aftermarket upper A-frame.
6. No lift bars or recovery shocks or spring recoils allowed.
7. No screw jacks.
1. Reinforce racing type wheels mandatory. Right rear bead lock only.
2. Maximum wheel width is 8″.
3. One-inch lug nuts are mandatory.
4. Any loss of tire and or tire & wheel requires a driver to find safety or pull off of racing surface to infield or exit track immediately.
1. No grooving, sipping or soaking allowed.
2. Absolutely no racing tires, disguised as DOT street tires allowed.
3. Must run 70 series DOT approve, 15″ DOT name brand tires on 8 ” wide rim (maximum).
4. Maximum tire is 255 – 70 – 15.
GAS TANK INSTALLATION
1. Fuel cell mandatory. 18 gallon maximum capacity. Bracing in trunk permitted.
2. Fuel cell will be mounted in trunk area, between frame rails with 1 ½” clearance on all four sides. Minimum of two 12 GA X 1 ½” wide safety strapping, mandatory for safety.
3. Trunk floor may be cut to accommodate fuel cell.
4. O.E.M. fuel tank will be removed.
5. No electrical fuel pumps allowed.
6. Fuel line from trunk to the engine compartment must be steel or steel braided. No copper or rubber allowed. Any fuel line run through drivers compartment will be enclosed in rigid tubing from inside trunk area to inside engine compartment will be sealed at both ends.
7. Tech inspector must approve installation.
8. Fuel cell will be a minimum of 12″ above ground or above center line of rear end differential housing, whichever is higher.
RACE CARS SUBJECT TO BEING PUMPED
Any race car entered, whether running the A Main or not, and regardless of whether otherwise disqualified is subject to being pumped. This usually will include, but is not limited to, pumping the top three (3) finishers in the feature race, plus one other feature finisher drawn from positions 1-10.
1. After the feature race, a track official will notify the drivers of the relevant race cars that their race cars are to be pumped. The drivers of the race cars to be pumped shall then proceed directly to the area designated for inspection and tear down. The track officials will then proceed with the pumping as follows:
2. The track official will advise the driver which cylinder will be pumped.
3. The selected cylinder will be pumped, using the appropriate P&G gauge, in accordance with the manufacturer’s instructions.
4. The reading obtained will be multiplied by eight (8), to get the total cubic inches of the engine.
1. A four-post roll cage must be used with three door bars on driver’s door. Driver’s door must have 1/8″ steel plate on door bars. Window net on driver’s side is mandatory. Two bars on passenger side only.
2. Cage can be braced, rearward to the frame where it starts to kick up over the rear end. Bars may be added from firewall forward to protect frame and radiator. Front firewall, front or rear hoods optional.
3. All drivers must use approved 5-point safety harness and crotch belt. The tech inspector must approve all seat belt installation. None shall be more than 5 years old.
4. Driver’s suit and safety helmet mandatory. Helmet must have a Snell rating of 2000 or newer. Racing shoes and gloves are mandatory. Full racing suit required. Must be approved by track tech.
5. Always stay in car with helmet and seat belts on. Do not get out of car during race unless you have a fire.
6. If hood rises during a race, go to infield immediately.
7. Drive shaft and all ballast must be painted white with number of car in contrasting color. Drive shaft hoop mandatory under drive shaft 6″ to 8″ behind transmission tail shaft. No chains.
1. Numbers with letters are allowed. Make the letter large enough to be seen from the tower.
2. Numbers must measure minimum of 22″ high by a minimum of 15″ wide. The thickness of the number must be no less than 3″.
3. Color of the number must be contrasting with the car color.
4. Numbers must be located on both doors and roof of the car. Put the roof number so it can be read from the tower when the car is in the front stretch.
5. Car number above the right rear bumper is recommended.
6. The car must be washed prior to each night’s event. Throughout the night, if the number becomes covered with mud, it must be washed before participating in the next event so the scoring team can read the number.
7. If you are caught cheating after a race, you will be disqualified for the night. You will lose winnings and points for the event. If you are caught cheating a second time, you will be barred for two weeks and lose all points for the year.
The rules and/or regulations set forth herein are designed to provide for the orderly conduct of the racing events and to establish minimum acceptable requirements for such events. These rules shall govern the condition of all events, and by participating in these events, all participants are deemed to have complied with these rules. NO EXPRESSED OR IMPLIED WARRANT OF SAFETY SHALL RESULT FROM THE PUBLICATIONS OF OR COMPLIANCE WITH THESE RULES AND/OR REGULATIONS. These rules are intended as a guide for the conduct of the sport and are in no way a guarantee against injury or death of a participant, spectator, or official.
THE PROMOTER/TRACK OFFICIALS SHALL BE EMPOWERED TO PERMIT MINOR DEVIATION FROM ANY OF THE SPECIFICATION HEREIN OR IMPOSE FURTHER RESTRICTIONS THAT IN THEIR OPINIONS DO NOT ALTER THE MINIMUM ACCEPTABLE REQUIREMENTS. NO EXPRESSED OR IMPLIED WARRANTY OF SAFETY SHOULD RESULT FROM SUCH ALTERATIONS OF SPECIFICATIONS. ANY INTERPRETATION OR DEVIATION OF THESE RULES IS LEFT TO THE DISCRETION OF THE PROMOTER/TRACK OFFICIALS. PROMOTER/OFFICIAL DECISIONS ARE FINAL.
From the entire Kokomo Speedway staff, thank you for coming to the racetrack. Your support is greatly appreciated. If you have any questions please bring them up at the nightly drivers meeting. If there is anything we can do to make your visit here more enjoyable please give us you input. Remember we are all here doing something we love to do. Enjoy being at the racetrack.
Any driver competing at the speedway during a point-paying event must have a Kokomo Speedway Membership Card.
Cost of this card is $20.00 for the season.
Must present this card at driver registration & driver payout. (No Card = No Pay)
If the card is lost, one replacement card will be furnished for free. All replacement cards from that point will cost $10.00.
All heat races will be lined up based on pill draw.
B Main(s) line up will be based on heat race results.
A Main will start straight up based on heat results or with an inversion of 6 based on first heat race winners redraw.
Heat Races are 8 Laps
B Main(s) are 8 Laps
A Mains are 15 Laps
Typically a maximum of 20 cars will start the A Main.
Kokomo Speedway officials due to time or car count factors may shorten races.
If you are involved in an accident & stop on the speedway at any time, you will be placed at the tail for the restart. If you are involved in 2 yellow flags during one race event, you will be disqualified from that event. If you are involved in a caution on the initial start, you will not receive your original starting spot back. You will go to the tail.
Starts and Restarts
Jumping on initial start of any event
The front row will have two chances to start a race. If either driver jumps both of these starts, the entire front row goes to the tail for the next attempt.
All restarts are single file, nose to tail to the restart cone on the front stretch. If you knock over the restart cone you will be placed at the tail. If you contact the driver in front of you & he hits the cone, you will be placed at the tail.
Times (all times are eastern)
Pit Gates open at 3:00
Driver Registration closes at 5:00
Drivers Meeting at 5:05
Hot Laps after sprint car qualifying
If you are running late and need to register call 219.309.9132