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  2012 Demolition Derby Rules for Full Size,  
6 Cylinder & 4 Cylinder Classes
 
Cars must be 1980 models or newer.  Pre-bending cars will be allowed for the May 19th Team Derby.  After May 19th, you may run any year cars in the Full Size Class.  Also we will be running 4 & 6 Cylinder Classes on May 19th.  In the 4 & 6 Cylinder Classes, you may run any model year.

Vehicles are inspected to ensure compliance with rule specifications.

General Rules

1)  Drivers may use their own car number.  The driver who registers a number first will receive that number.  If a driver registers a number that has already been taken, then that driver will be asked to change their number.

2)  All entrants must be 18 years of age.  Minors who are 15-17 years old are permitted to participate, but must have a parent or guardian's signature on a minor release form at the time of registration to participate.

3)  Drivers must wear a helmet which extends below the ears and drivers must wear safety belts.

4)  No intoxicating beverages or drugs will be allowed or tolerated on the grounds.  Unsportsmanlike conduct will be an automatic cause of disqualification.

5)  Demo Derby officials reserve the right to disqualify anyone who is unfit for competition or whose car does not comply with rules.  Rules will be inforced and cars will be checked before and after each feature.
 
5) No trucks, 4x4 cars, convertibles, commercial vehicles, or Chrysler Imperials will be permitted.  Police cars are allowed.  No putting sub frame from Imperials under any other make or model. 
 
6)  There will be a $50.00 protest fee before the derby starts.
 
7)  You will have 60 seconds to make contact or to get your car restarted and make contact.
 
8)  If a red flag is thrown for any reason for the same car twice, you will be disqualified.
 
Preparation
1)  All glass, chrome, carpet, and lights must be removed for safety.
 
2)  Fenders may be trimmed only for tire clearance.
 
3)  Only one piece of 3" inch pipe or 3" tubing may be used for support behind the seat.  One piece of 3" inch pipe or 3" tubing may be used for support behind the steering wheel.  Any bigger than that and you will have to cut it out.  The end plates for the pipe or tubing cannot be larger than 8 x 8 inch square.  A roll over bar may be used, but can only be connected to the bar behind the seat.  If a roll over bar goes outside of the car and over the roof, it cannot be welded to the body.  The fourth bar can be added against the passenger door.  
 
4)  Cut a 12x12 inch hole in the center of the hood.
 
5)  You may put a number plate with your car number on the car roof so that it is easier to identify your car.  Not mandatory.
 
6)  You may place 2 or 3 bars in the windshield area in front of the driver's view for driver's safety or a window screen.  Not mandatory.
 
7)  You may place 2 bars in rear window.  The bars must be attached to the roof down to the speaker deck or the top of the trunk.  If you have a wagon, the bars cannot go any more than 2 inches on the back gate.  No attaching to the bumpers.
 

Springs

1)  No adding extra leaf springs.  Leaf springs must be stock from factory. Must be staggered.

 

2)  No converting coil springs to leaf springs.

 

3)  You may use a stiffer coil spring on the rear to replace original coil spring.

 

4)  Springs may be welded, chained, or wired in.

 

Doors and Body

1)  No reinforcements of body except in driver's door.

 

2)  No welding body seams.

 

3)  Do not weld the bottom of the doors inside or outside.  Do not weld around the door window seams.  Only the driver's door may be welded all around.

 

4)  Doors must be secured with chains, wire, bands, or welded.  If welded, weld only seams on doors from door post to bottom of door.  Front fenders may be welded to door and the rear quarter panel may be welded to the door.  Welded on plates can be no more than 2 1/2 inches wide on door seams.

 

Frame

1)  No banding, wiring, chaining, or welding the body to the frame or through the frame.

 

2)  Trailer hitches must be removed.

 

3)  No welding the seams on the top or bottom of frame from the A arms to the back of the car.  The seams from the A arms to the front bumper may be welded.  No pinning the frame.

 

4)  No painting the frame or inner fenders.  No spraying inner fenders or frame with any material such as rhino lining.

 

5)  Notching the frame is allowed but do not weld cuts.

 

6)  You can remove body mounts and replace with bolts.  Bolts cannot be bigger than 7/8" x 10" long.  Washers cannot be any larger than 4" around or 4" square and can be welded to the body.

 

7)  Top A arm or bottom A arm can be welded or bolted down.

 

8)  No welding inner fenders to the fenders.

 

9)  Tie rod ends may be reinforced.

 

10)  If frame is broken or rusted, you may weld 3 x 3 plate on one side of the frame no bigger than 1/4" thick.

 

11)  Hump plates are allowed on the outside of the frame.  3" x 24" x 1/4".  This is for Full Size Cars only!!!  (Hump plate cannot exceed past the frame)

 

12)  Hard nosing and tilting of the frames is allowed.

 

Gas Tank

1)  The gas supply must be removed from the stock area to behind the driver's seat and securely fastened and well covered.

 

2)  A gas tank protector can be used.  Use no bigger than 3" pipe or 3" tubing.  It cannot touch the floor or body.  It must be fastened to the bar behind the seat.  No bigger than 26 inches inside.  Any bigger than that and you will have to cut it.  This is not used to protect oil coolers or transmission coolers.

 

3)  Any type of fuel can be used.

 

Battery

1)  Any size battery may be used, securely fastened.

 

2)  No more than two 12 volt batteries may be used.

 

Bumpers

1)  Bumpers are interchangeable.  Any car bumper and bumper brackets may be used on any car.  No homemade bumpers or truck bumpers allowed.  DEC Header bumpers are allowed.

 

2)  You may weld the bumper seams, shocks, and the brackets to the frame.  No welding on frame except for the brackets.

 

3)  Bumpers may be cut so they do not smash into the tires during the event.  Bumpers may be flipped.

 

4)  No bumpers may be welded to the body.

Shocks
1)  Shocks must be stock.  No using all thread bolts through them.
 
Tires
1)  Any type of rough treads is permitted.  No studs or screws to hold tires to the rim and no filling tires with any material. 
 
2)  Valve stem guards are allowed, no split rims.
 
Engine
1)  Weld solid or chain down engine mounts in recommended.
 
2)  A distributor and carburetor protector may be used, mounted to the engine only.
 
Hoods and Trunks
1)  Hoods must be able to be opended for inspection.
 
2)  Hoods may be fastened with wire, chains, bolted or banded in 6 places.  Bolts no bigger than 7/8" inch.  Three inch washers may be welded on for use of wire, bands, bolts, and chains to go through.
 
3)  Trunks may be fastened with wire, chains, bolted, bands, or welded 3 inches on and 3 inches off around the trunk.  Plates cannot be bigger than 3 x 3 inch square.  Trunks can be completely removed. Three inch washers may be welded on for use of wire, bands, and chains to go through.  Bolts cannot go through the frame.
 
4)  If you weld or bolt the trunk, and 18 x 18 inch hole must be cut in the center for inspection purposes.
 
Transmission and Oil Coolers
1)  Transmission coolers are allowed.
 
2)  Oil coolers are allowed.
 
Radiator and Radiator Supports
1)  Radiators must stay in stock position. 
 
2)  Nine gauge or bands can go from the radiator support to the bumper.
 
3)  Bolts in radiator support can come through the hood.
 
4)  No bigger than 1/8" screen to cover the radiator.
 
Rear ends
1)  You may use any type (Ford/GM/Mopar/Hybrid) rear ends in any make of car.  No dual rims and no bigger than 3/4 ton rear ends may be used.  You may tilt rear end by shortening or lengthening rear end control arms; however, they must still be working.
 
 
 
For more information, call Thomas Motorsports, LLC, at 304-889-3256, if you have any questions regarding the rules.
 
AS AN OVERALL RULE, "IF YOU DON'T SEE IT IN THE RULES, DON'T DO IT!"

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Call us for your next Demolition Derby!
 
Thomas Motorsport, LLC * Jacksonburg, WV *
304-889-3256