PRO STOCK

NEW - Please use the link to register and sign your waiver https://cas.speedwaiver.com/flfbt

NO REFUNDS

IMPORTANT: Each driver, mechanic and any pit crew must sign in at the registration desk on the day of the show. Drivers must bring their cars to inspection to have their cars inspected.

DRIVER MUST ATTEND THE 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 Officials 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 The 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:

The original registered driver must drive the registered vehicle for the entire event. No substituting drivers.
Impact Motorsports reserves the right to approve or reject any and all entries, drivers or pit people.
Only those who sign the waiver will be permitted in the pit area or on the track. All drivers, mechanics and pit people must wear supplied pit passes at all times. Failure to do so may result in ejection from the event or grounds.
Impact Motorsports, 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 Impact Motorsports sign-in area at a minimum of 1.5 hours before the scheduled start time.
Drivers, mechanics, pit crew and spectators are in the pit area at their own risk.
Any driver or pit person that accesses the track without permission will be removed from the premises.

TYPE OF CAR

Any American made sedan or station wagons permitted. Imperials are welcome.
Helmet, seat belt, long sleeves/pants and eye protection must be worn at all times on the track. Working fire extinguisher must be in car within officials’ reach.
Any questions, call first. If it doesn't say you can, don't do it.
Cars must be stock unless stated otherwise below.
ABSOLUTELY NO painting of the frames.
Must have a 12" x 12" roof sign that does not strengthen the car in any way.
Car must be swept clean of debris & glass before coming to event.

The following must be removed prior to entering the fairgrounds: windows, headlights, taillights, all chrome and mirrors.

JUDGES DECISION IS FINAL. All cars are subjected to re-inspection at ANY time.

IF IT DOESN’T SAY YOU CAN DO IT, THEN DON’T DO IT!

ONLY MODIFICATIONS ALLOWED ON CARS ARE OUTLINED IN THE FOLLOWING RULES.

FRAME & BUMPERS

1. TRAILER HITCHES AND BRACES

Trailer hitches and braces must be removed.

2. FRAME WELDING

No frame welding other than what is stated in the rules.

3. FRAME TILT / SEAM WELDING

You may cut the flaps and tilt the frame in 1 place and in 1 direction.

No seam welding on frames permitted other than welding firewall forward.

Top outside seam only with one ½” bead of weld.

4. FRAME SHAPING

No shaping or hammering of the frame is permitted.

You may crease, notch, or dimple rear 12” of the frame to help car roll.

5. FRONT BUMPERS

Homemade front bumpers are permitted.

If you choose to manufacture a homemade bumper, it must conform to the following size limits.

The point must taper over an area of at least 32” wide and cannot exceed 12” wide and no bigger than 10x10.

If using a factory bumper it may be loaded or stuffed full.

Front frame may be shortened to front edge of body mount and bumper may be welded directly to the frame.

May use 3/8” plate 4” wide from middle of bumper to the most front edge of the upper A-arm bracket.

6. BUMPER HEIGHT

Bumpers cannot be higher than 24” to bottom of bumper or lower than 14” to the bottom part of the frame.

7. HUMP PLATE

You may have a 6” x 22” hump plate.

This may be straight across or contoured to the frame and must be centered in the hump.

8. REAR BUMPER

Front bumper rules apply to rear bumper.

BODY & CAGE

1. DOORS

Doors may be welded 5” on 5” off with no thicker than ¼” 3” x 5” material or can be fastened shut with #9 wire or banding.

Driver’s door may have a door skin no thicker than 1/8” and may be welded all the way around.

2. TRUNK LID

Trunk lid must be from the make of the car and must be a trunk lid (no hoods).

You can fold trunk lid over or pushed down.

No welding deck lid to trunk floor.

Body creasing is okay.

Deck lids may be welded with 3” x 5” x 1⁄4” plate 5” on 5” off.

3. HOOD

Hood can be bolted down in 6 places: 4 spots sheet metal to sheet metal and 2 front body mounts that may extend through hood.

If using wire, you may use 8 double strands of #9 wire. 2 may go around bumper and/or frame.

Hoods must be open for inspection.

12" x 12" hole over carburetor.

You must have a 12” x 12” inspection hole in deck lids.

4. BODY BOLTS / MOUNTS

Factory body bolts may be changed to 3/4” bolts.

There must be a 1” gap between body and frame.

You can use steel spacers, hockey pucks, or stack of washers. Nothing used may be bigger than 3” in diameter.

Body washers inside of car can be no bigger than 3” in diameter.

The front 2 body mounts may be 1” and extend up through hood.

5. BODY SEAMS / FLOORBOARD REPAIR

No seam welding will be permitted on body.

Repairing sheet metal is limited to where the battery box and gas tank and driver’s area of the floorboards of the car.

6. FRONT BODY SPACER

Front body spacer may extend to bottom of core support.

2x2 ¼ max.

7. CAGE

You may have a bar in the dash area and a bar behind the seat with bars connecting the dash and rear bar on each side.

Side bars must be inside of car, not inside of doors.

Roll over bar is permitted.

Two down legs per side straight up and down between doors.

Can be welded to frame using 6x6 pad per down leg.

Gussets permitted in corners of cage.

No bigger than 6” in diameter.

Bars no longer than 72”.

You may have a gas tank protector no wider than 32”.

May touch the package tray but may not be attached to sheet metal or frame in any way.

8. DASH BAR / REAR BAR

Dash bar must be 5” from firewall.

Rear bar can be no farther back than where the kick panel meets the seat.

All bars must be 5” off the transmission tunnel.

9. GAS TANK / BATTERY

Original gas tank must be removed and replaced with a boat-type tank or fuel cell.

Moved inside of car behind driver's seat but no further back than rear axle.

Batteries must be moved to passenger side floorboard and securely fastened.

These must be covered with a rubber or non-flammable material.

10. CORE SUPPORT

You may use expanded metal no thicker than 1/8” or a factory air condenser on core support in front of radiator.

This may be attached with 4 – 3/8” bolts or 4 – 1” welds.

11. WINDOW BARS

You may have 1 front and 1 rear window bar that cannot be any thicker than 3” x ¼”.

These may attach to the sheet metal no more than 6” on roof and deck lid.

12. WHEEL WELLS

You may have 4 ½” bolts with normal ½” washers per wheel well.

SUSPENSION

1. TIE RODS / REAR END

Any tie rods may be used.

Any rear end permitted if you run a rear end brace it cannot reinforce the frame.

2. WATTS LINK CONVERSIONS

Watts link conversions on 98 and newer cars are permitted.

You must use 1⁄4” x 2” x 2” square tubing or 2” round pipe for rear trailing arms.

Upper and lower mounting brackets: uppers must be mounted to the package tray and lowers must be mounted on side of frame.

Cannot be mounted inside or on top or bottom of frame.

Can be no larger than 7” x 7”.

3. FRONT A-ARMS

You can weld front A-arms down using a 1⁄4” x 2” x 6” piece of steel front and back side of A-arm.

No other weld is permitted on A-arm.

4. FRONT COIL SPRINGS

No spacers or other metal permitted in, on top of, or around coil spring inside of frame on front coil springs.

5. REAR COIL SPRINGS / SHOCKS

Rear coil springs may be wired or chained.

Solid suspensions are okay.

All suspension components must remain factory stock. No modifications will be permitted.

Cars do not have to bounce.

Front coil springs must remain stock car coil springs.

You may use 1” all thread for shocks, no bigger than a 3” washer, and it must be standard nuts.

6. LEAF SPRING CARS

Leaf spring cars may replace broken springs with 5/16 springs.

No more than 7 springs are permitted and they must have a 1” stagger.

Must be mounted in factory location.

4 leaf clamps per side.

Metric GM (1977+) can rear leaf spring convert.

You may have a total of 7 leafs with 1” 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.

7. TIRES

Any tire may be used.

8. 03 AND NEWER FORDS

On 03 and newer Fords you can convert cradle and suspension components with stock style OEM parts.

DMM/SMW or IFD bolt-in cradles are permitted.

9. SPINDLES / BALL JOINTS

No aftermarket spindles allowed.

If you use aftermarket ball joints, the collar you weld in or bolt in can only be a ½” bigger than the ball joint.

10. SWAY BAR

If you run a sway bar it can be mounted in the factory position or welded to frame with 2x2 4” long.

The ends can be heated and bolted to the lower A-arm with no bigger than a ½” bolt.

ENGINE, TRANSMISSION & DRIVETRAIN

1. ENGINE

Any car motor of choice is allowed.

Solid mounts permitted.

No chains on engine allowed.

2. TRANSMISSION CROSS MEMBER

Transmission cross member can be a factory one or a 2” x 2” square tubing only.

Must be straight.

3. CROSS MEMBER ANGLES

Angles for cross member can't be longer than 7" and 2” x 2”.

Must be within 12" from factory location.

4. OPTION A OR B

You have Option A or B, not both.

OPTION A

Full engine protectors.

Can't be wider than outside of headers.

Trans braces.

Aftermarket bell housings and tail shafts are permitted.

OPTION B

Lower cradle with front plate.

Trans braces.

Aftermarket bell housings and tail shafts are permitted.

Allowed 1 2x2 ¼ tube from dash bar to top side of frame behind upper A-arm per side.

Must have gusset from tube to dash bar, 4x4 max.

5. AFTERMARKET COMPONENTS

Aftermarket gas pedal, brake pedal, steering column, trans cooler and sliding driveshafts are permitted.

These must not be mounted in a way to strengthen car.

Cars can restub frames transmission crossmember forward:

Ford to Ford
GM to GM
Chrysler to Chrysler

MAXIMUM of 4 total square Fixit-Plates. 4” x 4” x 1/4”.

Must have 1” gap between plates.

WE HAVE THE RIGHT TO RE-INSPECT, CUT OR DRILL ANY CAR AT ANY TIME. IF YOU ARE CAUGHT BREAKING THE RULES YOU WILL FORFEIT ANY AND ALL WINNINGS AND/OR PRIZES YOU WERE AWARDED. NO REFUNDS ON ILLEGAL CARS.

“Official’s Decision is Final”

For questions relating to these rules please contact Scott Gerard: 519-427-8301