Compact Car Demolition Derby Rules

TYPE OF CAR

Any hardtop automobile or stationwagon is allowed. No limousines, convertibles, jeeps or hearses are allowed. Sub-frame Imperials weld class only. Compact cars must be 104 inch wheel base or less and 4 cylinders, 6 cylinder class must be 108 inch wheel base or less and 4 or 6 cylinders. No AMC’s in compact class. Trucks have a different set of rules when permitted to run and will be listed on entry blanks. All-Wheel drive 4 and 6 cylinder vehicles shall run in weld class only.

PREPARATION OF CAR

(Remove the following before arriving at track.)

1. All glass must be completely removed including windshield, side windows, rear window, head and tail lights. Rolling window is not permitted.

2. Auto must be sweep clean. No junk tires, wheels, metal parts, broken glass, etc. allowed in car.

3. Chrome molding strips and the bottom portion of the rear seats must be removed. On station wagons all rear seats and deck lids must be removed. All fiberglass or plastic front header panels or skirting must be removed.

4. Any sharp protruding fins or dangerous objects (mash down or cut off).

5. Fabricated bumpers are permitted. Fullsize, 6-cylinder and compact (NOT ON WIRE-UP CLASS) front bumper may be any factory produced bumper and loaded solid. Fullsize (NOT ON WIRE-UP CLASS) fabricated bumper cannot exceed 8” x 8”. Points are allowed. Points must be centered and not exceed a minimum 30” long to a maximum 36” long from end to end with a taper to not extend more than 12” from tip of point to back edge of bumper. 6 cylinder and compact (NOT ON WIRE-UP CLASS) fabricated front bumper cannot exceed 6” x 6”. POINTS ARE NOT ALLOWED ON 6-CYLINDERS OR COMPACTS. Rear bumper must be any factory bumper and may not be loaded. ALL BUMPERS OF ANY VEHICLE WILL BE UP TO THE DISCRETION OF THE OFFICIALS. No trailer hitches permitted. Fenders and bumpers may be trimmed to allow for wheel clearance. On late model, shock bumpers may be lightly welded or short piece of chain from bolt on bumper to bolt on frame. Bumper mounts may not exceed 6” into frame. Suspension may be stiff.

6. Rear coil spring cars and station wagons that change to shackles and springs, must use a maximum of (5) (Five) stock leafs on sedans and station wagons. Maximum of 4 clamps per spring, two back are permitted. Leaf springs must be stair-stepped in length and not the same length as the main leaf. All compact and 6 cylinder class cars must use original springs.

7. Vehicle may be repainted. Paint scheme will not represent anything derogatory or prejudice in any way. Both front doors must be painted white for numbering. Special numbers are permitted. No profanity, derogatory, or prejudice statements, characters or lettering will be allowed on any portion of car. Vehicle may have roof sign mounted securely. Roof sign may be drivers’ number or sponsor, no profanity, derogatory, or prejudice statements. Flag may be securely mounted to roof. Flag may only be the United States of America.

8. Hump plates are allowed for coil spring full-size (non-wire-up) cars only one per side of car, NO HUMP PLATES ALLOWED ON LEAF-SPRING CARS. Plates may not exceed 1/4” in thickness, 15” in length and 4” in width.

9. Welded solid or chained down engine mounts are recommended. Body mount bolts may be replaced, but only with stock size bolts (no larger than 1”).

10. Radiator must remain in original position or be taken off. Comparable replacement radiators are permitted. Radiators and cooling systems should be flushed of antifreeze and water added. Transmission coolers are permitted but ONLY if they are secured inside the engine compartment or backseat area covered in a concealed unit.

11. Sun roofs must be covered securely for driver’s safety.

12. A 4-bar enclosure around the inside cab is recommended for safety -2 long bars, one behind seat, one across dash area, one across each door. Gas tank protectors are permitted. Extending from 4-bar enclosure, not to rear seat panel.

13. All doors must be fastened shut by wire, straps, chain, or welded and reinforced for the driver’s safety. It is recommended the driver’s door be reinforced inside with a steel bar, angle iron, or pipe not to exceed 6” beyond front door and not beyond rear axle. Doors may be welded with strapping not to exceed 3” wide. Decision of the officials is final on welding.

14. ONLY ONE BATTERY, any size, is allowed. Battery must be removed from original position, and placed on floorboard of driver’s compartment and securely fastened and covered.

15. Hood, trunk or tailgate may be wired in six (6) places each, 2 strands of wire per hole or light chain. 3” square plate can be welded in six spots to trunk and tailgate only. Decision of the officials is final on welding. Hoods may be bolted down with 5/8” all thread and one round washer. Hoods and trunks must have a minimum of a 20” diameter hole cut in them. No welds on hood. Hoods must be left open until after inspection. Hoods must remain on vehicles; if hood is removed the fan blade must be removed too.

16. MASHING DOWN THE REAR SECTION OF ANY VEHICLE WILL BE UP TO THE DISCRETION OF THE OFFICIALS.

17. Both front doors must be painted white for numbering. Special numbers are permitted. No profanity will be allowed on any portion of car.

18. Stock gas tanks must be removed from original position and must be placed in rear seating area. Not in the trunk area; all tanks must be securely fastened to floor and covered; a portable tank is recommended in place of the original. (NO PLASTIC TANKS) Gas lines and fittings to fuel tanks must be secured and leak proof. Only metal or rubber gas lines permitted. (NO PLASTIC LINES!) Maximum four (4) gallons of gas permitted per heat. Electric fuel pumps are permitted, but must have a shut-off switch within drivers reach. Inspection official will give final approval on tanks and fittings.

19. It is mandatory to have a hole cut a minimum of a 20” diameter in hood over the carburetor. Hood latches must be removed.

20. No restriction on tire size. No studs or screws in rims to hold tire. No split rim. Wheel weights must be removed. Valve stem protectors are permitted.

21. A strong wire or nylon mesh screen is recommended on driver’s windows and windshield area. Plexiglas is permitted in driver’s windshield area. It is mandatory that a chain, strong wire or strap be secured from the center of roof to dash for a center post to stop hood from coming through front window.

22. Each driver and mechanics must sign in at registration desk the day of the show and have their vehicle inspected at least one hour prior to show time.

RUNNING

1. Safety belt, D.O.T. approved helmet, goggles, safety glasses or face shields are required. Long pants and shirts or jackets are required.

2. No deliberate head-on collisions and no deliberate hitting on the driver’s door.

3. Vehicles must have dependable brakes at all times and boundaries must be observed.

4. No cars are permitted in the competition area before the heat in which they are to participate.

5. A vehicle will be disqualified if ANY door comes open during the heat.

6. A one-minute limit is enforced by the track officials for re-starts and making competitive contact with another car. Hits must be aggressive. Simple contact within the time limit does not constitute combat and could be considered sandbagging.

7. All cars are to be removed from fairgrounds or race track following the show or they will become the property of the track and the officials will have them removed (unless otherwise specified at the driver’s meeting). A removal deposit may be required in some areas.

8. A driver’s $100.00 protest fee is required to contest another car. Fee will NOT be refunded if car is found to be ineligible. Protest must be done before drivers meeting.

9. No one riding outside of cars anytime due to insurance regulations. (Additional safety regulations may be imposed, depending on track.) Boundaries must be observed at all times. Any car shoved or driven out of bounds or is on or over a pole may be immediately disqualified if Derby officials feel it’s a SAFETY HAZARD. The Derby will be composed of individual heats and one Feature, with cash prizes going to the winner of each heat and grand prize going to winner of the Feature. Decision of the official is final. These rules supersede any, and all rules previously used.