Rules locked, 2023,2024,2025

With the exception of safety requirements approved by the board.

Must also follow all general rules listed above.

1. Hood modifications and upright headers are acceptable.

2. Tires must be D.O.T. approved for highway use and uncut. No recaps.

3. Protest rules in effect.

4. The decisions of the pulling officials are final.

5. Kill switches are mandatory. Electric fuel pumps must be wired through the kill switch.

6. Trucks must have a full body, no flat beds, if bed floor is removed it must be covered and

not visible to spectators.

7. Will allow racing seat.

8. Fuel tanks are allowed to be in front of vehicle if they are S.F.I. and have braided hoses

and pressure coupler. Batteries may be mounted out in front of the truck but battery must be

enclosed. No Batteries in cab.

9. All drivers are required to wear full face helmets and jackets and pants with a SFI rating

of 3–2a–1. Shoes also recommended.

10. All drivers are required to wear seatbelts.

11. All vehicles must have a working fire extinguisher.

12. No tilt bodies are allowed.

Weights:

1. Front weights to be a maximum of 60” from center of front axle.

2. No loose weights in cab.

Hitches:

1. Maximum hitch height is 26 inches, & minimum 36 inches from center of rear end

maximum of 48 inches.

2. You must use a steel plate hook point with a minimum 3 ¼ wide 3 ¾ deep hole.

3. Pivot point of hitch cannot be forward of center of rear axle. It must be below top of frame

rails, and hook point must be behind frame rail or body.

4. Hitches must be tight and have no movement in any direction.

Engines:

1. Maximum 514 cubic inch + 1% tolerance, naturally aspirated V8 engine.

2. Any single four–barrel carburetor is allowed.

3. No turbochargers or superchargers.

4. No fuel injection unless factory equipped.

5. Cast iron block and Any Conventional style head no spread port heads no big duke or big chief heads.

6. No pressurized fuels. No methanol alcohol fuel.

7. Front of engine block cannot extend more than 10 inches of the center of the front axle.

Front axle must be in stock location.

Harmonic Balancer:

1. All engines must be equipped with a harmonic balancer or dampener meeting SFI

Spec18.1.

2. All vehicals are required to shield all rotating mass mounted on the front of the

crankshaft, if unobstructed. Shields to be from frame rail to frame rail and top to

bottom. Shields to be a minimum of .125” steel or aluminum fastened by at least 2

evenly spaced 3/8” grade 5 bolts.

Transmissions & Drivelines:

1. Maximum wheel base 134 inches center to center.

2. Stock type one ton or two ton drive–lines are permitted. No planetary.

3. Drop box’s and Reverses are allowed.

4. May block frame solid.

5. Must have scatter proof bell housing or automatic transmission blanket, and S.F.I

flywheels.

6. No tube chassis are allowed.

U–joint shielding:

1. All u–joints and yokes must have a 360 degree cover, at least 6” long (covering entire

yoke and u–joint), 1/4” thick steel (3/8” thick aluminum). Inside diameter of shield will

be no more than 2" larger than u–joint. If cover is cut in half it must be fastened no farther

than 1” from ends with at least 3/8”– grade 8 bolts. Must be bolted a maximum of 6” from

bolt to bolt. All intermidiate shafts need covered 360 degrees. NO HINGE STYLE

fasteners permited. Must be securly fastened.

Drive shaft loops:

1. Drive shaft loops required (3/4” or wide), 1/8” or thicker steel (1/4” or thicker

aluminum). No more than 2” larger than the largest u–joint. If cut in half, must be bolted

within 1” from ends and a maximum of 16” apart from loop to loop (multiple loops). If

using a one piece cover it must be bolted a maximum of 6” apart the entire length and at

least 1” from ends. All fasteners must be at least 3/8”– grade 8 bolts. NO HINGE STYLE

permited. Must be securly fastened.

ALL THE ABOVE RULES WILL BE STRONGLY ENFORCED

DUE TO YOUR SAFETY AND THE SAFETY OF OTHERS.

THE OFFICIALS’ DECISIONS ARE FINAL!

**The Head of Class/Tech Official for each class will enforce all

of the rules! Every vehicle will be teched on a random basis at

some point throughout the season.**