PRO STOCK
NO CHANGES OR ALTERATIONS OF RULES TO BE MADE EXCEPT BY DONNYBROOK FAIR.
PLEASE CHECK AND VERIFY YOU ARE USING THE MOST UP TO DATE SET OF RULES. THE MOST RECENT CAN BE FOUND AT www.donnybrookfair.ca
NO REFUNDS
IMPORTANT: Each driver, mechanic and any pit crew must sign in at registration desk the day of show. Drivers must bring their cars to inspection to have their cars inspected.
DRIVER MUST ATTEND DRIVERS’ MEETING PRIOR TO DEMOLITION DERBY OR DRIVER WILL BE DISQUALIFIED.
I have read the rules and acknowledge to have received a copy and agree that the decision of the Judges is final. I agree to participate at my own risk. It is a condition of my participation in the contest that I sign a further release of liability in the form to be supplied by Donnybrook Fair and I agree to sign such a release.
SPECIAL NOTICE: NO ALCOHOL OR DRUGS ALLOWED IN ANY
RESTRICTED (PIT, HOLDING OR PERFORMING) AREA. ANY
VIOLATIONS WILL RESULT IN DISQUALIFICATION OF CAR, DRIVER
AND CREW. THERE ARE NO REFUNDS FOR NOT FOLLOWING THIS RULE!!!
DRIVERS and MECHANICS are subject to and must obey the following rules and regulations which are set up by the promoter and the track where this event is being held:
For all classes not labelled as a “Youth” class, each driver must be a minimum age of 16. A parent or guardian must sign an insurance waiver for all 16 and 17 year old participants. Guardian must provide photo ID.
The original registered driver must drive the registered vehicle for the entire event. No substituting drivers.
Donnybrook Fair or promoter reserves the right to approve or reject any and all entries, drivers or pit persons.
Only the driver and mechanic who sign the release sheet will be permitted in the pit area or on the track. The driver will receive free admission to the grounds with their entry. All drivers, mechanics and pit persons must wear supplied pit passes at all times. Failure to do so may result in ejection from the event or grounds.
Donnybrook Fair, the promoter, track owner or fair association will not be held responsible for any loss or damage to any cars, trucks, parts or personal property before, during and after the show.
It is highly recommended that each competitor carry their own liability insurance.
Drivers and mechanics should report to the Donnybrook Fair sign in area at a minimum of 1.5 hours before the scheduled start time.
Drivers and mechanics are in the pit area at their own risk.
TYPE OF CAR
Any 6, or 8, cylinder hardtop automobile or station wagon with a wheelbase of 109.1” or larger
No trucks, convertibles, jeeps, vans, limousines. No imperials. If you’re unsure of a rule please contact us.
Cars previously run may be considered too battered and unsafe, resulting in disqualification
4. If there is in any question regarding the participant’s vehicle it is the driver’s responsibility to prove make, model, year, engine etc.
RUNNING
Risk: Demolition derbies are hazardous and high-risk sports; therefore, anyone with a health condition, i.e., concussion, heart problems, or who is pregnant should not compete. You are competing at your own risk.
Protect yourself: Work Boots, sport equipment such as, neck brace, knee pads, shoulder pads, hip pads etc. are recommended. No bare exposed skin. All drivers MUST wear long pants/coveralls as well as long-sleeved shirts. No exceptions. Working seat belt and racing helmet are mandatory. Helmets MUST have chin straps. Goggles or face shields are recommended.
**No motocross style visors**
BRAKES: Vehicles must have dependable brakes and must be working properly before entering RING at all times. All boundaries must be observed.
NO DRINKING OF ALCOHOLIC BEVERAGES ON TRACK, EMERGENCY VEHICLE AREA OR IN THE PIT AREA. Any driver or pit person under the influence of alcohol or drugs allowed in the pit area. This will be strictly enforced.
Careless driving in the pit area could result in disqualification.
All cars are to be removed from the fairgrounds or racetrack immediately following the show. Additional safety regulations may be imposed, depending on track and conditions.
PREPARATION OF CAR – REMOVE OR CONVERT THE FOLLOWING PRIOR
TO ARRIVING AT FAIRGROUNDS OR TRACK
1.FLAMMABLE MATERIAL
All carpet, headliner, door panels and ALL other flammable material MUST be removed from inside of the car. Front seat and dashboard may be left in place. Front and rear bumper covers MUST be removed.
2. GLASS/AIR BAGS
All windows, mirrors, trim and air bags must be removed prior to derby event. No loose glass smashed into the bottom of the doors.
3. FIRE EXTINGUISHER
Must be within reach of the driver. Must work and have proper working gauge. Please check gauge on extinguisher before arriving to the event.
4. DOORS AND NUMBERS
Driver’s door highly recommended to be reinforced. An optional roof number plate may be securely fastened. Your car MUST have a number CLEARLY marked on your car (roof sign, contrasting colour on the side of the car).
5. BATTERY
Battery must be moved to front passenger floorboard and securely fastened in a box/container clear of all fuel sources. Battery box not to attach to the frame or to reinforce the floor of the car. Following inspection it must be covered with a non-flammable shield such as air bag or rubber mat. Max 2 batteries.
6. GAS TANK
Stock gas tanks must be removed. Steel marine tank, custom fuel cell or certified racing fuel cell ONLY. All tanks must be securely fastened (bolted) down in the middle of the back seat area. Tank must be covered with a non-flammable cover after inspection (air bag, floor mat). No movement can occur during inspection. Any leaks will result in disqualification. Gas tank protectors are allowed. GTP can be a max of 24” wide and no taller than the speaker tray on a sedan, on a wagon it must end before the diff hump and be no taller than the top of the doors. GTP may touch sheet metal. Ref has final decision. No plastic fuel cells.
7. FUEL LINES
All fuel lines must have leak proof fitting with steel or rubber lines (no clear lines). No exceptions. Lines should run inside the car. Leaks will result in disqualification. All connections MUST have hose clamps to eliminate leaks. If your fuel system is not safe you will not run.
8. FUEL PUMP
Must have a safety shut off switch marked in red located on the roof in center of windshield area for officials use. Switch to control fuel pump only. Driver’s safety. MANDATORY. This rule is for fuel injected cars only, does not apply to carbureted cars.
Electric fuel pump must be isolated with a non-flammable material covering lines, tank & pump. Example: covering may be fire resistant blanket or air bag material
9. WELDING
Absolutely no welding on vehicle, only within the guidelines outlined. No exceptions. Referee has final decision.
10. HOOD & TRUNK/TAILGATE
Hoods are not mandatory. Without hood – use electric fan only – fans directly connected to motor must be removed. A 12” opening must be cut in the center of the hood. Hoods must remain open for officials’ inspection. Hood must be fastened down in maximum of 8 places including 3/4″ threaded rod or with seat belt strapping, wire, 2x2x2 angle iron bolted, or chain only. Hoods/rad support can be wired to bumper in 2 spots. Trunks may be tucked. Trunks/tailgates must be fastened down in a max of 8 places with wire, chain, seatbelts, or welded with 3x3x1/4” plates. Trunk may have 1 spots of max ¾ threaded rod holding trunk closed through an existing body mount. Trunk may be wired to rear bumper in 2 places.
11. PRE-BENDING/BODY PANELS
Frame may be pre bent within reason. No “frame shaping”. Body creasing/pre -bending limited to rear quarter panels. Front & rear quarter panels may be bolted with up to 5 bolts per panel – maximum 3/8” bolt. Washers no larger than 1/2″. Body patching is limited to driver’s floor area. To be repaired with the same gauge material as factory floorboards to repair rust only. No welding creases together.
12. DOOR FASTENING
All doors must be fastened shut with wire, straps, chains, seat belts welded with max 3x3x1/4” plates in max 8 locations per door (16 total plates on a 4 door car). Drivers door may be welded solid. If wire is going to be used to tie doors shutand goes around the frame you are limited to one spot per door.
13. SHIFTERS
Shifters may be directly attached to transmission linkage & relocated thru floor over transmission hump.
14. BRACING
ONE roll bar up each door frame, across outside of the roof. Roll bars can be bolted in 2 places through the roof, NOT welded. A seat bar can be bolted or welded behind the back seat from side to side to protect driver. No excessive use of materials. Not mandatory. Seat/roll bars not to extend past the back fo the drivers seat. Bar of roof cannot be attached to any other bar on the car except the rear seat bar. 2 down bars to frame, floor or inside rocker are allowed within 8” of ptp bar, no kickers. A dash bar can also be added and be connected to the ptp bar creating a square or 4 point cage around the driver. Dash bar must be 5” away from the center of the firewall. One square tube can run between the seat bar and the dash bar to mount the shifter on. Gussets will be allowed in the corners of the cage no more than 6” from corner to corner. If you cannot weld, bolt. Cage MUST be safe or will be asked to be removed. No limit on drivers door protection between door seams.
15. FIREWALL
All holes in firewall must be filled/covered with tin or non-flammable material.
16. BUMPERS
Front bumpers may be left stock or can be changed to any factor car bumper. Manufactured front bumpers are allowed if they follow the same exact factory dimensions of the bumper they replicate. Bumpers may be seam welded. Bumpers may be loaded. If you choose to use a piece of square tube as a bumper it can be no bigger than 4x4 or 3x5 and no thicker than 3/8. Tube bumpers cannot stick out more than 4” from the outside of the frame. If the ends are cut and bent on a 45-degree angle it can be as wide as the centre of the front tires. Tube bumpers must remain flat, you cannot build a point. You can do whatever you need to do within 6” from the back of the bumper to hold the bumper to the FRAME. DO NOT ABUSE THIS RULE YOU WILL CUT. Factory bumper shocks must be in stock location or removed. Rear bumpers must remain stock. Front frame can be cut back as far as the front of the rad support. NO relocating the rad support. Front and rear bumpers must have 2 places of wire holding bumper on, mandatory.
17. RADIATOR
Radiators and cooling system must be flushed of anti-freeze and only water added. Overflows for radiator must point downward to the ground. Radiator must be mounted in original position or removed. A rad screen (expanded steel, max thickness of 1/8”) may be welded to the front face of the factory rad support only, not to be welded to the frame, only 1”. (Stock A.C. condensers permitted in original position.) No metal added around the rad for reinforcement.
18. TRANSMISSION COOLER
Cooler can be placed inside the car in a safe place and no leaks.
19. SUSPENSION/STEERING
Suspension must remain stock. It is recommended that the rear coils be wired/welded to differential. Screw in style spring spacers are allowed, no loading of the spring pocket. Gears may be welded. Steering columns can be aftermarket. No reinforcing allowed other than tie rods can be reinforced. You may use any store-bought ball joint as long as it is mounted as factory in the control arm being used. Tie Rod ends may be replaced with any store-bought end. Front A Arms can be welded down with chain (one link welded to the A arm and one to the frame on the front and back of the A arm) or may weld down with 2 (2x6x1/4”) plates.
Basic watts link conversions may be used, nothing excessive or deemed to be reinforcing will be asked to be cut. Aftermarket or double rear arms allowed. Slider shafts allowed. Any differential may be used max 8 lug. Differntial may be braced. There must be at least 6” from the diff to hump in any direction (diff brace not to fill the hump to reinforce the hump). No chains on rear end. Leaf spring cars are limited to 4 total leaf spring clamps per leaf pack (2” wide x ¼” thick). Leaf spring cars must sit on stock style leaf perches.
03+ Fords.
A bolt in engine cross member is allowed with strict ruling. Cross member must be constructed from an 80+ car cross member. All control arms, steering box, spindles, ball joints, etc., must be 80+ car parts. No added metal to mount your steering box or idler arm. Allowed to use 3/16” thick angle iron placed on the top of the frame no longer than 14” and bolted in 4 places total using the factory nuts on the frame with the stock size bolts. If deemed reinforcement the car will be cut or loaded.
Metric GM (1977+) can have a rear leaf spring conversion. You may have a total fo 5 leafs with factory style stagger. Only one main leaf, no flipping leafs or “flat stacking”. Front mount can be 4x4 tube 4” long welded to the bottom of the frame. Rear mount must have a shackle. Shackle may be bolted (max 5/8” bolt) to / through the rear frame with a max 2x2x1/4 washer. Washer may be welded to the frame. Suspension movement must occur with one persons effort.
20. FRAMES
A total of 6 – 4x4 repair can be added to bent frames. Over repaired frames will be asked to be cut or may result in disqualification. Must be 3 inches between repair plates. All frame repairs must be painted in a bright colour and be reported to officials before inspection. Frame may be tilted in 1 spot. No metal added where frame is tilted. Ho hump plates. No welding two different style of frames together. Crush box tabs not to be welded. No seam welding. Trailer hitch must be removed completely. Rear frames may be notched.
21. ENGINES/MOTOR MOUNTS
Motors can be interchanged. GM in Ford, etc. No full engine cradles. Distributor protectors/LS coil guards are allowed held onto the motor (not cradle) protecting the distributor only. If using a distributor protector, it must be 1” from firewall on a fresh car. Distributor protector can be a max of 12” wide. If you are using a distributor protector you cannot use a transmission brace, one or the other. Transmission may be braced if you are not using a distributor protector. Aftermarket pedals and shifters allowed. Slider shafts allowed. Lower engine cradles are allowed as part of the engine mounts, not to reinforce the car or drive line. Cradle not to touch the frame or cross member. Pulley protectors are allowed.
After market motor mounts are ok, no bigger than factory, bolted not welded. Motor mounts may be chained. If using a lower cradle, it must still bolt to frame mounts. Transmission cross member can be stock or replaced with 2x2 (OD). If changing transmission cross member, it is to be bolted in with 1 bolt ½” thick per side. You may have 6” of 2x2x1/4 angle, welded to the frame to mount the cross member. If you choose to weld your cross member, you can do so between the frame rails, cross member to be straight across, no added material, no gussets. Transmission brace not to be welded to the cross member. Transmission may be bolted to the cross member.
22. BODY MOUNTS
May be replaced with ¾ threaded rod with 3x3 washers. No extra bolts. Factory rubber mounts must be in place or may be replaced with 1 rubber hockey puck. Core support spacers may be replaced with 2x2 tube, welded to factory body mount bracket on frame (not down the side of the frame). Not to extend to the roof on a wagon.
23. WINDSHIELD SPACE
One strong upright steel chain or iron bar must be bolted or welded in windshield area. A of H frame window bars are allowed no wider than 18”. No full window cages. Rear window bars are allowed, max 2x2x1/4” bar or 3” wide 3/8” strap may be used, mounted 6” onto the roof and 6” onto the center of the trunk area, not the door frame. Mounting points limited to a max of 6x6” plate.
24. TIRES
Any tire allowed. No split rims. No screwing tires to rim or studding. No wheel weights. All drive tires must be filled with air only. Non-drive tires can be solid rubber, foam filled. No triple sidewall on drive tires. Weld in centers allowed on a stock rim only to change the bolt pattern. No homemade rims.
25. MECHANICAL REPAIRS
Must be stock material and in no way enhance ability/performance of vehicle. Rear ends, steering, control arms, axles must remain stock.
“Official’s Decision is Final”
For questions relating to these rules please contact Scott Gerard: 519-427-8301