Demolition Derby Rules at the Harrison County Fair...
 

DEMOLITION DERBY RULES
The demolition derby contest is open to all men & women who have a valid driver’s license. In the interest of safety & fairness to all contestants, the following rules & regulations shall prevail:

  1. All persons in pit area MUST HAVE A PIT PASS!!!! All rules will be followed, or you will not run.

  2. Any indecent behavior, obscene gestures, fighting, or alcoholic beverages will result in immediate disqualification and removal of car, driver, & pit crew from event. ALL PRIZE MONEY, TROPHIES, AND ENTRY FEES WILL BE FORFEITED.

DRIVER AND PIT CREW

  1. Driver must be a minimum of 16 years of age ( parental consent form for 16 & 17 yr olds).

  2. Driver & pit crew must attend pit meeting.

  3. Driver will draw for heat number & position at pit meeting after all cars are entered.

  4. Driver must wear approved helmet (no bicycle or football helmets). Eye protection is mandatory. No eye protection No drive!!!

  5. Seatbelts must be worn during competition at all times. Shoulder straps, neck support and head rest are optional but encouraged.

  6. Drivers or pit crew must not be under the influence of any drugs or alcohol.

  7. Drivers and pit crew must sign a waiver sheet upon entry and register under their car number

  8. Beginning 2004 fire suit recommended

CAR PREPARATION

  1. American & Foreign cars and station wagons allowed. NO limos, hearses, vans, jeeps, or trucks. NO 1974 or older Chrysler Imperials allowed. No 1974, or older Imperial sub-frames, 4X4s or ambulances.

  2. All glass must be removed from car. No glass in bottom of doors. Glass falling from car results in immediate DQ and removal from track. All moldings, trim, lights & fiberglass must be removed prior to arrival. No loose material in car at all.

  3. All decking in station wagons must be removed.

  4. All cars must have a number at least 24” tall & easy to read on both doors and roof. A roof number tin is mandatory ( min 12”X15”) don’t cut out roof. No profanity or suggestive drawings or pictures. Drivers name is optional, but encouraged.

  5. Original fuel tank must be removed. Fuel tank must be mounted rear to the driver & securely fastened (Must not move when shaken). 5 gallons fuel maximum allowed. No plastic tanks of any kind. No leaks. Keep fuel lines away from exhaust. Any spillage of fuel during event will result in immediate removal from track. Electric fuel pumps may be used, but must be hooked up to ignition switch. (When switch is off, pump is off).

  6. External tranny coolers will be allowed, but must be mounted in a safe manner inside the vehicle and properly plumbed. No rubber hose. Steel or steel braid hose only.

  7. Battery(s) must be securely mounted inside of car & properly covered.

  8. Electric switches must be uniform. UP or FORWARD is ON, DOWN or BACK is OFF.

  9. All cars must have working brakes.

  10. Maximum of 6 hood bolts allowed (2 points on bumper considered hood pins) – must not exceed over 4 inches above and cannot be attached to frame. Hood bolts must be connected to fender, firewall or radiator support or bumper. No additional iron in corners. Hood bolts ¾” diameter maximum. Hood plates must not exceed 5”X5” or 5” diameter – 3/8” maximum thickness. At least 1 bar, 2 recommended (1/4 X 2” flat or angle recommended) must be installed in windshield opening to prevent hood from coming into drivers compartment. (See also rule 31)

  11. Two holes no smaller than 12” square or 12” diameter must be cut in hood over manifold area to allow access with a fire extinguisher in case of a fire.

  12. Hood or trunk webbing may be bolted- but must follow weld rule, bolt 4 inches – skip a foot 3/8” diameter Grade 2 bolt maximum. Bolts must be trimmed smooth.

  13. All seams (inside & out) may have only 4” of weld with a 12” gap. All filler material may be only 4” long. No double fenders. Rusted out sheet metal may be patched with OEM metal and welded or bolted in place. If bolting seams you must follow weld rule (bolt 4” skip 12”). SEE RULES 30

  14. Fenders may be bolted to inner fenders, maximum of 4 bolts per foot: 2 rows per fender, 3/8 diameter Grad 2 bolt maximum. Bolts must be trimmed flush with heads of nuts. NO “tucking and rolling” of fenders allowed. Fenders may be only 1 layer thick.

  15. For drivers protection you may weld one bar horizontally above the steering column; one bar behind seat doorpost to doorpost; you may connect the dashbar to the bar behind the seat across the inside of the front doors only; this is for driver protection not frame reinforcement. DO NOT attach to frame or motor. A 6”X1/4” plate is recommended on each end of driver protection bars. Steering column may also be welded. Drivers door MUST be reinforced, may be internal or external but may not extend more than 6” past front or rear seams of door. Driver protection must be bolted or welded to car. Solid material of some type may be used on inside of driver doors – NO GRAVEL, SAND, OR ROCK; NO GRADER BLADES OR COMBINE RASP BARS ON OUTSIDE OF DOOR (3/8”X6” flat steel recommended instead of channel iron). Welding of door seam only will not be sufficient.

  16. Two straps may be used from trunk lid to rear bumper- maximum ¼” /x 2” steel or 4 loops of #9 wire, or 3/8” chain allowed. Straps may extend 6”-8” only onto trunk. Two bolts from trunk lid to trunk floor allowed, ¾” diameter maximum allowed. Washers can be no larger than 5” diameter – 4 points with wire & 2 bolts maximum. Bolts or wire cannot be connected to, thru, or around frame. Wire may be put in window openings (3 locations per window; 4 loops maximum). A ¼”X2” strap may be ran from roof to doorpost on hardtop model cars only.

  17. Frame seam may be welded from front of the A-arms forward on top only. DON’T WELD BOTTOM. No extra bracing or metal allowed. Any “loading” of frames or fenders will result in immediate disqualification. No extra metal allowed. Rusted out frames may be patched or sectioned in, however, the patch cannot be thicker than 1/8” and must have a 3/8” inspection hole drilled every 2 square inches of patch. Patch may be on one side of frame only, no angle iron for patch material. This must be pointed out by the driver at the time of inspection. NO DOUBLE FRAMES. No sub-frame connectors allowed.

  18. Radiator must remain in stock position or be removed but not relocated. Radiators may be strapped or wired in 2 locations. NO reinforcement of radiator support. Radiator support may be welded or bolted to inside of frame rails. (See also rule32)

  19. A arms & ball joints must remain stock.

  20. Use of motor or tranny of choice, motor must remain in stock position. You may chain or weld motor & tranny to keep them in place (DO NOT REINFORCE THE FRAME).

  21. Firewalls may be hammered back to allow distributor clearance. All holes in firewall must be covered. No cutting of firewall allowed.

  22. Front & rear bumper height must not be excessive. THIS WILL BE JUDGES DISCRETION. Suspension must function properly. Torsion bars cannot be cranked all the way up. Leaf springs may have only 6 clamps – 2 being the U bolts. Leafs may not be welded together. Clamps can be homemade or factory. Homemade clamps cannot exceed 2”X4”X1/4” – 3/8” bolts maximum. You may bolt or wire coil springs to rear end & frame to prevent them from falling out. You may chain or wire rear end to frame in 2 locations – 1/4'” chain maximum. Suspension must still function.

  23. Rear control arms may be reinforced AT THE HOLES ONLY. They must still function properly.

  24. Rear end of choice, must be 5 lug, no hybrid or modified housings. You may tilt rear end if desired. Welded, posi, or mini spool is OK.

  25. No split rims, LT tires permitted. Tires in tires OK – but must not exceed 15” rim. Tubes may be used. No screws from wheel to tire. No paddles on wheels, no bead rings or reinforcing of wheels. Valve stem protectors are OK. Tread design must be straight tread, mud or snow, radial, or aqua tread. NO MILITARY, SKIDLOADER, OR TRACTOR LUG DESIGN TREAD TIRES. Tires must be comparable to OEM. 15” maximum tire size.

  26. Rubber body mount cushions may be removed. Mounts have to be replaced with steel or washers, but must be the same thickness and same diameter as removed uncompressed mount (minimum of 1 1/2” clearance between body & frame). One washer can be welded to the frame. All others to the body only – ¾”diameter bolt maximum.

  27. Each crew must have a CO2 fire extinguisher in their respective pit area.

  28. NO ANTI-FREEZE; water or sierra anti-freeze only. MUST HAVE PROOF FOR SIERRA ANTI-FREEZE.

  29. Must have some type of air cleaner on carburetor.

  30. Sheet metal may be patch with one layer; same thickness as OEM. Patch may not exceed more than 2” beyond rusted out or torn area. Old patches must be removed before new patches are placed.

  31. One hood only per car. Hood must cover carburetor and radiator. No 2 piece hoods; hood must be removable.

  32. Radiator overflow hoses must not be pointed forward.

  33. You may run wire frame rail to frame rail underneath rear of car behind rear end. 2 loops #9 wire max or ¼” cable max.

  34. No added undercoating.

  35. Any automotive bumper and bumper brackets may be used. Bumpers and bumper brackets must be stock with no aftermarket or homemade bumpers or brackets allowed. Bumpers and brackets may be welded. Bumpers and brackets may not exceed OEM. Bumper mounting brackets may not tie frame rails together Bumper ends may be cut off, but not left jagged or sharp.

  36. Rear quarters and rear fenders must retain original appearance; NO WEDGES.
     

GENERAL RULES

  1. Do not hit the drivers door !!!! We realize this sometimes happens; but if it looks intentional or carelessness – YOU WILL BE DISQUALIFIED!!!! This also holds true if you use your drivers door as a shield.

  2. No sand bagging or holding!!!! You will be disqualified.

  3. Any questions just call. Just because it doesn’t say you can’t do it , you had better call first – it may save you a lot of work!!

  4. There is a $200 cash protest fee. This must be done by a driver only. This does not cover the whole car – one area of the car only. THIS WILL BE COVERED AT THE PIT MEETING.

  5. Judges decisions are final. NO EXCEPTIONS

  6. All cars must be hauled or towed to the exhibition ground. THEY MUST NOT BE DRIVEN ON PUBLIC ROADWAYS. This means after the event is over also.

  7. Cars must be at the track area at least 2 hrs before event start; must pass inspection ½ hr before event starts. Inspections start at least 3 hrs prior to even.
     

COMPACT CAR PREPARTION

Basically same as full size car preparation with the following exceptions:

  1. Fuel tank capacity is limited to 3 gallons of fuel.

  2. Motor size is limited to 4 cylinder or V-6 front wheel drive motors.

  3. Taurus, Lumina, Park Avenue, Intrepid, Olds 98, Bonneville, Sable, etc are examples of mid-size cars NOT COMPACT. All others will be left to the discretion of the judges.
    SEE ATTACHED LIST


2006 Modified Truck Rules

General Rules for Truck4 Suburban and Vans:

  1. All rules will be followed, or you will not run!!

  2. Any stock 2 wheel driver may be used- NO 4x4's!!

  3. Drivers must be 18 years of age and have a valid driver's license. Ages 14 -17 must have a notarized permission slip and some fonn of driver's license.

  4. Driver must wear seat belt and helmet, along with eye protection.

  5. ALL drivers and crewmembers must attend the drivers meeting.

  6. DO NOT hit the driver's door! Sometimes this happens, but ifit looks intentional or carelessness, you will be disqualified. Don't use your door as a shield; it may cause you to get disqualified.

  7. No hot rodding in the pits, keep it at an idle.

  8. Any open door or fire will cause disqualification. If in heat, you may fix it and come back in the
    consolation.

  9. NO sandbagging or holding!!! You will be disqualified!!!

  10. You are given 20 seconds for aggressive hits, I minute for restarts and 1 minute if you are hung up.

  11. No alcohol in the pits, if anyone is caught with alcohol, they will be disqualified, this includes their pit crew.

  12. Any controversies will be taken up at the drivers meeting.

  13. Any questions give us a call! If it doesn't say you can do it, don't do it. Call 1st!!

  14. Judges decisions are FINAL!!!

Truck Prep:

  1. Must be stock, unless modification is stated in the rules.

  2. All glass, plastic, chrome, and interior must be removed nom car before arriving to the derby.

  3. Use motor and tranny of choice, motor must be in stock location. You may chain or weld motor and
    tranny to keep in place (don't strengthen the name).

  4. You must use a radiator and it must be in stock location.

  5. All vehicles must have working brakes.

  6. All trailer hitches and braces must be removed.

  7. Original gas tanks must be removed. You must use a boat tank or well made fuel cell and it must be properly secured and covered. No plastic tanks or gas cans. Fuel line must be secured and fastened properly. Keep away nom exhaust. Place fuel cell in the center of the box, behind the cab. You may make a box or small cage for your tank.

  8. Transmission coolers will be allowed, but must be safe and properly secured.

  9. Batteries must be moved to passenger floorboard close to transmission. It must be properly secured and covered.

  10. You must have a number on each front door and a 12"xI5" sign with number on top for recognition of vehicle.

Rules for Truck Building

  1. Must have at least 4 bolts additional to the factory bolts up to 1 inch in size and a minimum of a 3-inch washer holding the box to the frame.

  2. Cab must be bolted down solid with at least 4 additional bolts up to 1 inch in size with a minimum of a 3-inch washer.

  3. Box and Cab may be welded to the frame, but may not add metal. Just use the welder. The cab and box may be welded together and you may use a fill material to fill the gap between the cab and box.

  4. Must have dash bar, door bar and bars connecting the dash bar to the door bar on the inside of the cab only. You may also have a roll loop in the box up against the cab with kickers no farther back then the front of the spring shackles.

  5. Tailgate must be welded or taken off

  6. Solid welding is allowed inside and out, hood must have a large hole cut in center for inspections. Hood may be welded shut solid. If hole in hood isn't large enough for inspection, you will have to cut a bigger hole!! ..

  7. 2 pieces of all thread up to 1 inch from the frame to hood is allowed, but must go through the front
    radiator support body mount.

  8. May have up to 8 spots total to hold the hood down. All other hood ties must be sheet metal to sheet metal. Can use #9 wire, 3/8 cable, 3/8 chain or up to 1 inch bolts for the hood.

  9. Wire may be use from the tailgate and hood to the bumpers on the front and back of the trucks. The back bumper ONLY may have 2 straps 4" wide W' thick from the tail gate to bumper, but not to frame!

  10. Any automotive bumpers and bumper brackets may be used on the front and rear of vehicle. Bumpers must be stock with No aftermarket or homemade bumper allowed. Bumpers and bumper brackets may be welded. Must have bumpers on the front and rear of the truck. From the end of the frame back 8" may be re-enforced, nothing bigger than 8" long and as wide as the frame is tall piece may be used. No connecting the frame rails to each other with Added materials!! You may also have 2-4" wide by 8" long
    by 1/4' straps on the front and rear bumpers.

  11. Any ply of tire is allowed, but no tractor tires or studded tires on the back. Skid loader tires OK.

  12. Rear ends may be tied to the frame in 2 spots pre-side. Use #9 wire, 3/8 cable or 3/8 chain. Springs may
    be clamped with 6 clamps per side.

  13. Tie-rod ends may be re-enforced, but must be workable. A-arms may be welded/bolted to frame.
     

DRIVER AND PIT CREW

  1. Driver must be a minimum of 16 years of age (parental consent form for 16 & 17 yr olds).

  2. Driver & pit crew must attend pit meeting.

  3. Driver will draw for heat number & position at pit meeting after all cars are entered.\

  4. Driver must wear approved helmet (no bicycle or football helmets). Eye protection is mandatory. No eye protection No drive!!!

  5. Seatbelts must be worn during competition at all times. Shoulder straps, neck support and head rest are optional but encouraged.

  6. Drivers or pit crew must not be under the influence of any drugs or alcohol.

  7. Drivers and pit crew must sign a waiver sheet upon entry and register under their car number

  8. Beginning 2004 fire suit recommended.

CAR PREPARATION

  1. American & Foreign cars and station wagons allowed. NO limos, hearses, vans, jeeps, or trucks. NO 1974 or older Chrysler Imperials allowed. No 1974, or older Imperial subframes, 4X4s or ambulances.

  2. All glass must be removed from car. No glass in bottom of doors. Glass falling from doors results in immediate DQ and removal from track. All moldings, trim, lights & fiberglass must be removed prior to arrival. No loose material in car at all.

  3. All doors and trunk lids must be chained, wired, or bolted. All decking in station wagons must be removed.

  4. All cars must have a number at least 24” tall & easy to read on both doors and roof. A roof number tin is mandatory (min. 12”X15”) don’t cut out roof. No profanity or suggestive drawings or pictures. Drivers name is optional, but encouraged.

  5. Original fuel tank must be removed. Fuel tank must be mounted rear to the driver & securely fastened (Must not move when shaken). 5 gallons fuel maximum allowed. No plastic tanks of any kind. No leaks. Keep fuel lines away from exhaust. Any spillage of fuel during event will result in immediate removal from track. Electric fuel pumps may be used, but must be hooked up to ignition switch. (When switch is off, pump is off).

  6. External tranny coolers will be allowed, but must be mounted in a safe manner inside the vehicle and properly plumbed. No rubber hose. Steel or steel braid hose only.

  7. Battery(s) must be securely mounted inside of car & properly covered.

  8. Electric switches must be uniform. UP or FORWARD is ON, DOWN or BACK is OFF.

  9. All cars must have working brakes.

  10. Maximum of 6 hood bolts allowed (all others must be removed) – must not exceed over 4 inches above hood and cannot be attached to frame. Hood bolts must be connected to fender, firewall or radiator support . No additional iron in corners. Hood bolts ¾” diameter maximum. Hood plates must not exceed 5”X5” or 5” diameter – 3/8” maximum thickness. At least 1 bar, must be installed in windshield opening to prevent hood from coming into drivers compartment. (See also rule 27)

  11. Two holes no smaller than 12” square or 12” diameter must be cut in hood over manifold area to allow access with a fire extinguisher in case of a fire.

  12. Fenders may be bolted to inner fenders, maximum of 4 bolts per foot: 2 rows per fender, 3/8 diameter Grad 2 bolt maximum. Bolts must be trimmed flush with heads of nuts. NO “tucking and rolling” of fenders allowed.

  13. For drivers protection you may weld one bar horizontally above the steering column; one bar behind seat doorpost to doorpost; you may connect the dashbar to the bar behind the seat across the inside of the front doors only; this is for driver protection not frame reinforcement. DO NOT attach to frame or motor. A 6”X1/4” plate is recommended on each end of driver protection bars. Steering column may also be welded. Drivers door MUST be reinforced, may be internal or external but may not extend more than 6” past front or rear seams of door. Driver protection must be bolted or welded to car. Solid material of some type may be used on inside of driver doors – NO GRAVEL, SAND, OR ROCK; NO GRADER BLADES OR COMBINE RASP BARS ON OUTSIDE OF DOOR (3/8”X6” flat steel recommended instead of channel iron). Welding of door seam only will not be sufficient.

  14. From trunk lid to rear bumper – maximum, 2 loops #9 wire allowed in 2 locations. Two bolts from trunk lid to trunk floor allowed ¾” diameter maximum allowed. Washers can be no larger than 5” diameter – 4 points with wire or 2 bolts maximum. Bolts or wire cannot be connected to frame. Trunk lid seam may be bolted with a total of 3 – 3/8” grade 2 bolts per location in 4 evenly spaced locations. Wire may be put in window openings (3 locations per window; 2 loops maximum).

  15. Any automotive bumper and bumper brackets may be used. Bumpers must be stock with NO aftermarket or homemade bumper allowed. Bumper and bumper brackets may not exceed OEM. No connecting the frame rails to each other with added materials. Bumper mounting brackets may not tie frame rails together.

  16. Radiator must remain in stock position or be removed but not relocated. No auxiliary radiators or water tanks. Fan may be removed, but not relocated. Radiators may be strapped or wired in 2 locations. NO reinforcement of radiator support.

  17. A arms & ball joints must remain stock.

  18. Use of motor or tranny of choice without major frame or firewall modifications, motor must remain in stock position. You may chain or weld motor & tranny to keep them in place (DON’T REINFORCE THE FRAME).

  19. Firewalls may be hammered back to allow distributor clearance. All holes in firewall must be covered.

  20. Front & rear bumper height must not be excessive. THIS WILL BE JUDGES DISCRETION. Suspension must function properly. Torsion bars cannot be cranked all the way up. Leaf springs may have only 6 clamps – 2 being the U bolts. Leafs may not be welded together. Clamps can be homemade or factory. Homemade clamps cannot exceed 2”X4”X1/4” – 3/8” bolts maximum. You may bolt or wire coil springs to rear end & frame to prevent them from falling out. You may chain or wire rear end to frame in 2 locations – 1/4'” chain maximum. Suspension must still function.

  21. Rear end of choice, must be 5 lug, no hybrid or modified housings. You may tilt rear end if desired. Welded, posi, or mini spool is OK.

  22. No split rims, LT tires permitted. Tires in tires OK – but must not exceed 15” rim. Tubes may be used. No screws from wheel to tire. No paddles on wheels, no bead rings or reinforcing of wheels. Valve stem protectors are OK. Tread design must be straight tread, mud or snow, radial, or aqua tread. NO MILITARY, SKIDLOADER, OR TRACTOR LUG DESIGN TREAD TIRES. Tires must be comparable to OEM. 15” maximum tire size.

  23. Rubber body mount cushions may be removed. Mounts have to be replaced with steel or washers, but must be the same thickness and same diameter as removed uncompressed mount (minimum of 1 1/2” clearance between body & frame). Washer may not extend over ½ “ beyond frame width – ¾”diameter bolt maximum.

  24. Each crew must have a CO2 fire extinguisher in their respective pit area.

  25. NO ANTI-FREEZE; water or sierra anti-freeze only. MUST HAVE PROOF FOR SIERRA ANTI-FREEZE.

  26. Must have some type of air cleaner on carburetor.

  27. One hood only per car. Hood must cover carburetor and radiator. No 2 piece hoods; hood must be removable.

  28. Radiator overflow hoses must not be pointed forward.

  29. You may run wire frame rail to frame rail underneath rear of car behind rear end. 2 loops #9 wire max or ¼” cable max.

  30. Car body must retain original appearance

  31. No frame or fender patching unless bolted. No welded patches of any kind.

  32. Rear quarters and fenders must retain original appearance. NO WEDGES.

GENERAL RULES

  1. Do not hit the drivers door !!!! We realize this sometimes happens; but if it looks intentional or carelessness – YOU WILL BE DISQUALIFIED!!!! This also holds true if you use your drivers door as a shield.

  2. No sand bagging or holding!!!! You will be disqualified.

  3. Any questions just call. Just because it doesn’t say you can’t do it , you had better call first – it may save you a lot of work!!

  4. There is a $200 cash protest fee. This must be done by a driver only. This does not cover the whole car – one area of the car only. THIS WILL BE COVERED AT THE PIT MEETING.

  5. Judges decisions are final. NO EXCEPTIONS

  6. All cars must be hauled or towed to the exhibition ground. THEY MUST NOT BE DRIVEN ON PUBLIC ROADWAYS. This means after the event is over also.

  7. Cars must be at the track area at least 2 hrs before event start; must pass inspection ½ hr before event starts. Inspections start at least 3 hrs prior to even.
     

SMALL CAR MODELS

CHRYSLER PRODUCTS :
Small cars ; Laser, Stealth, Summit, Summit wagon, Talon, Acclaim, Aries, Horizon, Omni
Mid-size : Dynasty, New Yorker, Concorde, Intrepid

FORD PRODUCTS :
Small cars ; Escort, Tempo, Topaz, Festiva, Probe, Capri
Mid-size ; Sable, Taurus, certain Continentals, certain Cougars,
certain Crown Victorias

GM PRODUCTS :
Small cars ; A bodies ( Celebrity, Century, Cutlass Ciera, 6000)
J bodies ( Cavalier, Sunbird), N bodies ( Achieva, Calais, Grand Am, Skylark), L bodies(certain Berettas, Corsica)
Mid-size : C & H bodies( Bonneville, Delta 88, certain DeVilles, certain Electras, certain LeSabres, certain Park Avenues, certain Olds 88 & 98’s ), E, K & V bodies( Allante, certain Eldorados, Reatta, certain Rivieras,T body ( LeMans)
W bodies ( certain Cutlass Supremes, certain Grand Prix, Lumina, certain Regals) Saturn, B bodies ( certain Caprices, certain Roadmasters, F bodies ( certain Camaros, certain Firebirds

 
 

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