DRUMHELLER DEMOLITION DERBY
8 CYLINDER RULES & REGULATIONS

These rules have been updated as of July 21, 2008.

1. Safety for spectators, officials, drivers, and crews is our first concern. Fire, flying debris, and impact injuries. Keep these thoughts in mind when you are stripping and building your car.

2. Open to any make or model of car – foreign or domestic. EXCEPT the following:

• Convertibles
• Vehicles with t-tops
• Ambulance
• Hearses
• Chrysler Imperials - this includes imperial sub-frames
• and Pre 1970’s Lincoln Continentals.
  

• Remove all glass, lights, lenses, mirrors, and hardware.
• Remove all body trim, hubcaps, and exterior ornaments.
• Remove fuel tank.
• Remove trailer hitch and all mounting hardware.
• Remove all interior upholstery, plastics, carpet and trim EXCEPT front seat.
• Prior to tech inspection car MUST be cleaned of all loose objects, glass, and debris.

• The tech judge’s decisions will be final.
• There will be no welding on the car EXCEPT where specified – even as a field repair.
• There will be no reinforcement EXCEPT where specified.
• If it doesn’t say it’s ALLOWED then it’s NOT allowed.
• All vehicles will be checked for working brakes (**Must be able to stop the car**)
• Mandatory seat belt – Lap belt is minimum requirements.

• We will allow almost a cage built around the driver from sturdy, easily assembled material bolted to the car body ONLY. Bars may be welded to each other.
• As a minimum the drivers door MUST be reinforced with 2”x6” Channel Iron, 6” I –Beam, or 2”x6” Box Steel. 3/16 minimum thickness for a maximum of 76” long.
• Ends of the bars must be chamfered, beveled, or rounded.
• Door bars must be bolted ONLY with a minimum of four (4) ¾ “ bolts through the entire door/doorpost or fender with a good size washer.
• Door bar can extend 8” maximum ahead of the front fender/door seam.
• Placement of bolts; Beware of drivers’ movement inside vehicle.
• Remember, if the DRIVER'S door bar falls off – you are automatically disqualified from your heat.
• All doors must be bolted or chained. Bar clamps are acceptable.
• Passenger door bar attached in a similar way as above. This bar is optional.
• Cross bar behind the drivers seat is strongly recommended.
• Head rest optional, but MUST be secure.
• It is also recommended that the bars door and the steering wheel be padded around the driver.

• Car hoods are mandatory.
• Hood must have a large enough hole suitable for fire extinguishing.
• Hood must be bolted in a minimum of four (4) places and maximum of six (6). Two (2) of the six (6) bolts may go through the frame.
• No bolts allowed ahead of the front rad support.
• Maximum bolt size 1 ¼ "; minimum bolt size ¾ ".
• Maximum washer size 5"x5" or 25 sq. inch.

• Trunk lids are mandatory.
• Must be bolted in four (4) places only. Two (2) of the four (4) bolts may go from the trunk lid through the frame.
• Station wagon end gates secured with two (2) chains ONLY.
• Maximum bolt size 1 ¼ “; minimum bolt size ¾ “.
• Maximum washer size 5”.

• Must be relocated to the passenger side floor securely fastened by nuts, bolts, and washers.
• Battery must be covered by a rubber mat or in a marine battery case.
• Maximum two (2) automotive type batteries.

• If used must be uniformed. Up/forward for on, down/back for off.
• It is strongly recommended that any electrical system used be fused.

• Fuel leaks or potential leaks will NOT be tolerated.
• Fuel tank can be boat, snowmobile or fuel cell. Five (5) gallons capacity maximum located in the rear seat area of the car securely mounted with nuts, bolts, washers, metal straps, and ratchet straps. NO screws or bungee cords.
• A hole/holes must be cut in the floor near, around or under the tank for drainage.
• MUST have floor pan plugs removed.
• Fuel lines entering through the firewall into the passenger compartment must be approved metal lines securely fastened with short rubber connections is acceptable.
• Fuel pump type is optional.
• Canadian pump gas ONLY – NO ADDITIVES.

• Must remain stock or be removed.
• Anti freeze MUST be drained and filled with water only.
• Fan type optional.

• Must have an air cleaner assembly with a filter element to act as a flame arrestor.
• Exhaust must exit the engine compartment through the hood or out the bottom – manifolds alone are NOT enough.

• May be interchanged from year to year – model to model, but MUST be stock to manufacturer (GM to GM, Ford to Ford, ect.)
• MAXIMUM of two (2) 2”x3/16” flat iron may be placed parallel to the bumper mounting welded bracket from the bumper to the frame OR a MAXIMUM of two (2) 1 ¼” tread rod maybe placed through the bumper to bumper bracket inplace of the bumper shock.
• Bumpers may be inverted and trimmed.
• Bumpers may be welded to bumper brackets and bumper brackets to frame.
• Two (2) single rapped chains on each bumper – may be used for support ONLY.
• Maximum bumper height from the ground to the bottom of the bumper is 19 1/2".
• No truck bumpers.

• Any size rim that fits the bolt pattern. Rim CAN NOT be altered, modified or reinforced.
• NO split rims are allowed.
• Valve stem protectors and tubes are acceptable.
• Maximum tire height 31".
• No studded tires.
• Air only in tires. NO additives, liquids, solids, or fillers.
• Wheel wells may be trimmed for clearance.
• All wheel weight to be REMOVED

• May be interchanged, but must remain in the stock position and true to manufacturer (GM to GM, Ford to Ford, ect.)
• No welding of motor mounts. Bolts ONLY.
• Motor mounts and transmission mounts may be chained.
• Shifter type optional.
• Differential may be locked.
• Drive shafts may be shortened and U-joints tack welded. CV joints are acceptable.
• Firewalls can be hammered back or cut away for distributor clearance.
• Transmission cooler optional. MUST be mounted under the hood in front/behind the rad or in the passenger compartment securely fastened with approved steel lines and adequate drain holes in floor.
• Optional 3/4" hose on tranny dipstick.

• Steering must be stock and in stock position. NO alteration or modification allowed.
• Air shocks will be allowed. NO rigid suspension will be toloerated.
• Rear lower trailing arms may be shortened.
• Rear coil springs may be chained or tack welded to the differential ONLY.
• Rear leaf spring banding and shackle length optional.
• Dropping of center link is OPTIONAL.

• Drivers door MUST be painted white.
• Car can be any other contrasting color(s).
• No profanity as decoration or advertising.
• No cloning of paint jobs if you enter more than one (1) car.
• Roof signs are acceptable, but MUST be bolted securely.

***Please Note: These rules were designed for fairplay, sporting, no advantages or disadvantages
to first time drivers, or veterans. ***