Street Gas Truck Rules

6200 & 6500 STREET GAS TRUCK RULES

Revised – 2024

Hitch: Tractor & Truck pullers hitch opening size requirements: 3 ¾ inch front to back and 3 inch side to side. Note: No loose clevis are to be used.

SAFETY RULES

If tech decides you are running a higher rpm or a need for it you may be required to run a blow proof bell housing or a transmission blanket. Two rear driveshaft loops of 1/4 inch thick 1 inch wide minimum may have a different set up for this but needs to be as strong also rear U-joint shields covering rear U-joint. Revised – Jan. 2024

RULES

  1. Racing fuel is allowed up to 110 octane unoxygenated.
  2. Must be street legal with current insurance and registration.
  3. Must have good inspection sticker unless it has antique or out-of-state license plates where stickers are not required.
  4. DOT approved tires only. No cut tires, wheel chains, or dual wheels allowed. Single wheel only. May take out side dual off. No tires wider than 14.5 and taller than 40 inches.
  5. Must have all factory sheet metal. No cut or fiberglass body panels. Steel Cowl induction hoods are allowed.
  6. Steel flat beds are allowed. Must have a headache rack if home built or factory. NO aluminum or all wooden flat beds are allowed. Judges decision will be final. Tailgates are optional.
  7. Must have exhaust behind cab with mufflers. Revised – Jan. 2024
  8. No pipe, steel, snow plow, or winch bumpers allowed. No hanging weight or weighted homemade bumpers. Factory built Brush guards are allowed but can’t be weighted and will be inspected. Must be factory front bumper or no bumper. Revised – Jan. 2024
  9. All added weight must be securely fastened or contained inside the body, cab, or bed of truck. No hanging or exposed weight. No weight beyond front of frame.
  10. All factory interior such as dash, door panels, and mirrors must be in place. No interior is to be cut out to save weight.
  11. Must have working lights, wind shield wipers, and heater. No aftermarket seats. Must be a bench or factory bucket seat only.
  12. Wheel base must be factory. No homemade camper specials or extended wheel base.
  13. No fuel cells or altered batteries in other than factory location.
  14. Must have same engine as truck, such as Chevy-Chevy, Ford-Ford, etc.
  15. Engine must be natural aspirated, no forced inducted, no nitrous. Single carb only. Engine must be out of one ton or under and have factory rotating assembly meaning if it’s aftermarket it must be a drop in replacement. No forged or under cutting of any kind to lighten the rotating mass. May use aftermarket rods but must be I beams or H beam rods—same factory size, length, and weight. Must be same or more than factory. May have aftermarket harmonic balancer. If pumped, can only be 0.60 over. ABSOLUTELY no strokers. Cast intakes only unless factory (must have date code)—no aftermarket aluminum intakes. FACTORY heads only. No aftermarkets. Casting marks will be checked. Revised – Jan. 2024
  16. Must have exhaust manifolds. NO headers are permitted.
  17. Single line carburetor. NO dual line. Engines that come from factory with a Holly is allowed but it can only have the factory transfer tube. No secondary metering block. NO thread in line in secondary bowl. One carb adapter or spacer one inch max is legal. Aftermarket ignition is allowed such as distributer, coil, caps, or MSD (multiple spark ignition). Revised – Jan. 2024
  18. All accessories must be belt driven unless otherwise from factory. Electric fuel pumps are allowed.
  19. 14 inches of vacuum at 1000 rpms or under. With a half inch grace anything under will be disqualified. Or 14 inches of vacuum at 1000 rpms or under. With anything under 13.5 inches of vacuum will be disqualified. Revised – Jan. 2024
  20. Dress up kits is allowed such as chrome valve pan covers, chrome dip sticks, etc. Oil pan must be factory.
  21. NO fuel injection unless it is factory.
  22. No traction aids such as traction bars, stoppers, and clamps unless it comes from factory with the truck.
  23. You may use anything factory one ton or under such as added leaf springs, over loads, or factory sway arm. Sway arm must have all factory rubber bushings.
  24. Anything that will alter the movement of the suspension is NOT allowed.
  25. Lift kits are allowed.
  26. Usable Reese hitch only. No draw bar hitches. Rear mounting point cannot be closer than 30 inches from center of rear axle. Revised – Jan. 2024
  27. Hitch must be secured and usable. Must be able to pour water over the furthest point above hitch and go through hitch opening. Max hitch height is 26 inches. No trick hitches – techs have final. Revised – Jan. 2024

We will allow one freebie. You may use it on a 4150 dull line carb. Headers inner chassis only. No fender well headers. Intake as long as still dual plain. Traction bars single bar only. No ladder or stoppers. Must have at least one inch of travel. These are the only things you can use your freebie on. You can only have one. If two are found or anything other than listed freebie, you will be moved to comp street. Revised – Jan. 2024

Techs have full and final say over all rules. Tech decision is final. ABSOLUTELY NO HOT RODDING IN THE PITS. Revised – Jan. 2024

NO PUMP PROTEST

If engine is pumped you may only be 0.60 over what block you are running. If it is found to be illegal, you and truck will be banned for a full year. Then the following year it will be teched and, if legal, cleared to pull. Revised – Jan. 2024

NO WARNING RULES

New – Jan. 2024

Primary and secondary techs reserve the right to issue a warning for any violations that may arise during the teching session and must be resolved at next scheduled pull contestant plans to attend. New – Jan. 2024

ENGINE PROTEST RULES FOR TEAR DOWN

New – Jan. 2024

If someone protests a truck engine in this class they must have on hand $1000 dollars cash and need to get in touch with the tech at the event before truck leaves grounds. The tech will collect money and proceed for internal tech inspection at which time will mark the engine in several spots with paint marker and photo marking with no truck owner present. Then they can take truck to their shop and at that time have 12-24 hours to get one head off and the oil pan in which time there will be two techs show up to tech engine and check paint marks have not been tempered with and confirm it is the same engine that was protested at which time the bore and stroke will be checked and to confirm rotating assembly is checked for rules stated assembly. If for some reason there is probable cause we may ask for a piston and rod be removed for length and size check and to confirm no material has been removed off piston or rod for lighting purposes. Also we may ask to check casting numbers on heads or block at which time when inspection is finished there will be $50 dollars given to each tech for meal and fuel costs and, if legal, there will be $900 given to truck owner if cleared legal and if not for any reason the protester will receive $900 returned if it’s found to be legal. Protester will not be at tech site or will not know we have found only that it is legal or illegal in which time before we leave protest shop he or she will know what we have found and decided for the out come of their tech. New – Jan. 2024