Engine

  • Gas only, NO alcohol, E85, or fuel additives.

  • Naturally aspirated engines only.

  • MAX cfm carb, 4150/4160 Holley flange only. (No Dominators, King Demons, SV1, or split

    carbs.)

  • MAX 478 cubic inches +2%.

  • Small blocks are NOT required to be pumped.

  • All pumping must be done at the track.

  • Blocks and heads MUST be cast iron.

  • Aftermarket blocks and heads are allowed.

  • No aluminum blocks and heads are allowed.

  • SFI approved harmonic balancer.

  • MUST use SFI approved flywheel.

  • Motor must be mounted within 6” of original V8 mounts.

  • Must have a catch can for the radiator.


Drivetrain

  • Dual disc clutches are allowed.

  • No reversers or drop boxes allowed.

  • OEM style transmission ONLY.

  • One-ton rear axle or less.

  • No planetaries allowed.

  • Manual transmission MUST use a SFI approved bellhousing (blow proof).

  • Must use a block saver plate.

  • If bellhousing has been altered in any way (cut, torched, or welded) you must also run an SFI

    approved transmission blanket.

  • Automatic transmissions MUST be covered by an SFI approved transmission blanket.


Hitch

  • 36” minimum hook point from center of rear axle.

  • 48” maximum hook point from centerline of rear axle.

  • Bolted clevis or hitch point must have 3.5” hole.

  • Hitch height is 30” maximum.

  • Must have sled stops that extend at least 8” past the rearmost point of the truck.


  • Rigid suspension is permitted.

  • Front weights must not extend greater than 60” from centerline of front tires.

  • DOT tires only. 35x12.5 maximum manufacturers tire size, no cut, siped, or barred tires

    allowed.

  • All U-joints and chains must be covered with a 360° loop and be at least 6” wide constructed

    of 1/8” steel or 3/16” aluminum.

  • Vehicles up to 140” center to center of axles may run fully weighted.

  • Vehicles up to 146” must run 200 lbs light.

  • No vehicles over 146” allowed.

Chassis


  • All vehicles must have working kill switch.

  • In-cab batteries must be covered.

  • Truck may hook multiple times if the minimum 5 entries/class is not met.

  • If truck hooks multiple times, the first hook is the hook that counts.

  • Valid driver’s license is required.

  • Drivers must wear a helmet.

  • Drivers must wear a seatbelt.

  • Fire suits are mandatory.

  • Rules are locked through the 2019 season.

General


  • Any competitor may protest another vehicle within 10 minutes following the completion of the class. A full tech inspection will involve both the protested vehicle and the vehicle of the protestor. A $300 fee must accompany the protest. If the protested vehicle is found to be illegal, the protestor will be refunded $250 and the protested vehicle will be disqualified. If the protested vehicle is found to be legal, the protested competitor will receive $250. $50 of the protest fee will be assessed to the club. If both vehicles are found to be illegal, both vehicles will be disqualified and the total protest fee will be assessed to the club. Any vehicle found to be illegal will forfeit their purse money from the event back to the club and will be allowed to run only exhibition from that point forward until proven to be legal.

  • The class winner may be subject to further tech inspection. If vehicle is found to be illegal or the driver chooses not to tech, they will then forfeit their purse money from the event back to the club and will be allowed to run only exhibition from that point forward until proven to be legal.

Tech