DEMO DERBY RULES:

Rules 1-15 of the Registration and Rules apply to the Full Size and Compact Derby:

1. Passenger cars only. No trucks, pick-ups, Jeeps, hearses, or commercial vehicles. No imperials or imperial subframes.

2. All glass must be removed from the vehicle.

3. Radiator must remain in its original manufactured position. If it is removed, the block may be filled with water only - if radiator remains in stock position, overflow must point down at the ground.

‎4. Original gas tank must be removed. Metal or plastic marine gas tank shall be used. Tank must be secured to the floor by straps and bolts. Tank shall not hold more than 6 gallons of gas.

5. Bumper height shall not exceed 21" from the ground to the bottom of the bumper. Bumpers must be stock automotive bumpers. No other re-enforcement. No trailer hitches, or bumper mounted trailer balls.

6. Hood and trunk will be chained or bolted. Exhaust is preferred to be upright out of the hood. There must be a hole in the hood surrounding the carburetor for fire extinguishing.

7. All doors must be chained.

‎8.Driver's door is to be painted CONTRASTING COLOR and have a large white X from corner to corner on the door.

9. No welding or additional re-enforcement will be allowed to any part of the car except the driver's door. One safety bar is allowed to run parallel along the dash and one behind the driver's seat. Bar shall not be any larger than 3" in diameter.

10. No solid tires, no filled tires including foam, water, cement, etc. No studs, chains, etc.

‎11.To be in the compact derby, the car must be a manufactured stock four or six cylinder car. Front wheel drive only, with a maximum wheel-base of 107". 

12. Most four cylinder car have the fuel pump in the gas tank. If the tank is located in the front of the rear axel, the tank does not have to be removed. It also is not allowed to have more than six gallons of gas in it. If an electric fuel pump is used, the driver must have a shut off switch within reach. If the fuel pump is not located in the tank or it is located behind the rear axle, the tank must be removed. A metal or plastic marine tank shall then be used. Tan must be strapped and bolted to the floor and not hold more than 6 gallons of gas.

13. Valve stem protectors are allowed.

14. Must also have a 12" X 12" sign mounted on the roof of the car with readable number(s) on both sides of the sign.

15. Battery must be relocated to the front floorboard and securely fastened, and covered. Only one battery is allowed.