1. Any American-made sedan or station wagon. No Full Frame Imperials.
2. Cars must be stock unless modifications are stated in rules. Cars must always have functioning brakes, at least on one axle. Helmet, seat belt, and eye protection must always be worn. Any controversies or protests must be brought up during the drivers meeting.
3. Any questions call first if it doesn’t say you can don’t do it. No painting of the frames. All glass, plastic, and interior must be removed before arriving to the event.
4. we have the right to re-inspect, cut, drill any car at any time. If you are caught breaking the rules set here forth you will forfeit any and all winnings and or prizes you are due. Judges decisions are final. If you stretch a rule you will lose that rule.
5. Any aftermarket parts must be approved. You must call and submit pictures for approval. Parts that are not approved before the derby will not be permitted to run.
1. Trailer hitches and braces must be removed. No plating, pinning, heat treating, stuffing the frame of any kind. Do not paint frame. No welds on frame may exceed a single pass no weave passes or building the weld up will be permitted.
2. No frame creasing or hammering, or beating down the top/bottom or sides of frame in any way permitted. You can notch or crease rear frame this is to help rear of car roll not to strengthen the frame. Top frame seams from firewall forward may be welded top side only with a single bead of weld no weave passes excessive welds will have to be removed. On 79 and older cars you may square off the front of the frame to hard nose the car no shortening of these frames are permitted all unused bolts must be removed from frame.
3. Any year bumper permitted. All bumper seams may be welded, bumpers may be loaded. No spacers of any type permitted between the front bumper and the frame bumpers may be 8“from top to bottom and 8“from front to back. Openings in bumper may be closed out. You may use ¼" x 2” x 6” plate to weld from bumper to frame 2 per bumper mounting location. Rear bumper shocks must appear stock (must be round pipe or factory shock no square tubing will be permitted) Front bumper you may use one not both of following 1. A 10” shock inside frame or 2.
4. A 4" wide x 3/8" thick strap extending from your bumper down one side of the frame and cannot extend any further back than the very front most part of your original factory top-front a-arm bracket factory weld. You are also allowed to wrap this strap around the front of the frame 4" to create an "l" shape this is to give you enough material to weld your bumper to the strap. Plate may be formed but it cannot double at any point. Do not abuse this rule you will cut it. This strap must be on side of frame not top or bottom.
5. On the front frame they must be 25" from front of coil pockets on bottom of frame to end of the frame the bumper cannot slide over the frame if a frame section needs to be replaced or repaired (rust) you must call first. If the frame has damage in the rear the back 2 body bolts may be moved no more than 6" from factory location. On pre-ran cars if the frame is shortened in the rear and bumper replaced the bumper shocks may not be located closer than 6" from hump plate.
6. You may have 6-3" x 3"patchplates on all car.
7. Angles for cross member can't be longer than 5" cross member must run straight across car and mount in factory location on transmission.
8. Body bolts and washers may be changed (1" dia. Bolt max, 3" washer max.) Must start and stop in stock location
9. Bumper cannot be lower than 15" or higher than 22" from bottom of bumper. Frame may not be lower than 14".
10. For coil sprung cars you may use a hump plate they may be ¼" x 6" x 22" centered in the hump they will be measured from the top center of the hump and must start no lower than the center of the frame. Hump plate must be at least 2" from rear end housing. On new model gm's (metrics) you may use a ¼ " x 6" x 30" hump plate to be measured the same way. On leaf spring cars you may use a ¼" x 6" x 11" hump plate to be measured the same way. These hump plates may contour the frame or run straight across hump. Hump plate must remain flat plate no bending of this over the top or bottom of frame.
11. You may clip pre-ran cars with a single butt weld with no metal added must use same make and model of frame i.e.: ford to ford gm to gm no hybrid frames permitted on fords you cannot clip a 02 and older with an 03 and newer no exceptions or vice versa.
12. You may cut factory seams at the box and re-weld to tilt the front of new style fords no metal may be added. All factory holes in frame must remain open no welding these holes shut permitted.
13. On 03 and newer fords you may use an 80 and newer ford or gm car steel cradles they must be put in like there factory counterparts only using the factory brackets no other metal may be added an arm brackets must be 98 and newer ford brackets only. They must be in factory location and cannot be moved forward. You may use a 3" spacer from the bottom of the frame to lower a-arm where the spring goes you may not alter frame in any manner other than attaching factory brackets with a single bead of weld. You cannot add any type of spring pockets to frame. All factory holes in front of an arms must be open. Nothing may be welded on top of frame over the holes in front of frame. On 03 and newer fords you cannot shorten the front of the frames. A- arms must be 7 ½” behind the rear factory holes in frame in the front to the front edge of a arms (the factory crush point) a arms must be from a passenger car no truck or van a arms will be permitted. Bolt in Cradles are permitted.
Body / Cage
1. Two 8" x 8" inspection holes must be put in all deck lids one on each side of deck lid within 2" of trunk strapping in center of trunk. Trunk lids must be factory for make and model of car ie: gm to gm ford to ford no pre 1980 deck lids permitted on 80 and newer cars.
2. You may weld, wire, or bolt doors, trunk lids, and or tailgates. If you wire you may use 8 double strands of #9 wire all may go around bumper or frame you may weld, wire, or bolt only. Strapping used for welding may not be stair stepped no excessive overlapping permitted. Strapping may be ¼” x 3" flat stock maximum. Tops of door skins may be smashed together and welded ¼” x 3” flat stock be used deck lids may have two 1" piece of all thread from the floor pan to the deck lid they may attach to frame by welding the all thread to the frame no more than ½ (half ) way down the side of frame and must be straight up and down and must extend through deck lid , on wagons these may go from the floor pan to rear roof pillars not the roof. You may add 3 bolts per wheel well these bolts can be in wheel well only.
3. No body seam welding will be permitted. Doors can be welded on outside of body only. On pre-ran cars the doors may be repaired back to stock. Rust repair is limited to floor boards and roofs only.
4. You may have a window bar or wire in windshield and rear window if using metal it can be no thicker than 3/8" and no wider than 3" you may use 2 x 2 pipe. Not solid. These may not touch the rollover bar. They can be welded to roof no more than 6" from the window area. And welded to deck lid no more than 6"at the rear window area metal used for this may not exceed 6" in length on roof or deck lid. You can have a bar from dash bar to roll over bar this must be 5” from firewall if you have questions on this call.
5. You may have 6 bolts on the hood to keep it secure, bolts may be 1" in dia. The front 2 may go all the way through core support you may use a ¼” x 2” x 2” spacer through the core support this may be welded to top of frame and top and bottom of core support only these may not be lower than top of frame. You may also use a 4" x 4" x ¼ plate to weld to top side of frame on the front two body mounts these can weld no farther than 2" on the frame behind the body mount bolts. 1" bolts max.
6. Hoods must be open for inspection. (12" x 12" hole over carburetor) cars may not be smashed flat if cars are tucked the rear quarter panels on both sides of cars must be 6" higher than the top of the bumper if speaker deck is removed deck lid can attach to package tray they must remain within 2“of rear of package tray (behind body bolts on new style fords).
7. Body mounts must remain in place or a 1" gap between body and frame with a stack of washers or spacer of some kind may be used nothing bigger than 3" x 3" permitted no exceptions cars without a space will not be permitted to run. 1” body bolts max. Must start and stop in factory location all body mounts must be in stock location.
8. You can add a piece of angle (4" x 4" x ¼"max.) To top of the core support but can be no longer than 32" no other metal permitted on core support. No other metal permitted to be welded to core support.
9. You may have a cage surrounding the drivers compartment with a roll over bar. Bars 6" diam. Max. Must be sheet metal to sheet metal only. The dash bar must be 5" from all sheet metal this will be strictly enforced. The bar behind the seat can sit no further back than where the kick panel meets the bench seat and must be at least 5" off the floor measured from the highest part of the floor/ driveshaft tunnel. No cage components can be farther back than where the kick panel meets the bench seat. Roll over bar and rear down legs are cage components no center bar in cages permitted. You may use 2 down legs to the frame from the rear bar down to frame these must run straight down no angling of the down legs permitted. You may use a floating gas tank protector that comes off the back bar but it cannot be wider than 24" the gas tank protector or holder may go all the way back to the sheet metal. Gas tank protector / holder can be welded or bolted to rear sheet metal or package tray with 2 - ½ " x 4“bolts or 2 - 3" welds. Sheet metal cannot be removed. You can have kickers from the front dash bar to the top side of frame behind A-Arms. 2x2 square tubing or 2” pipe only no other material may be used they must be within 2" of A-Arm.
Engine / transmission
1. Engines may be chained in with 1 chain per side standard 3/8" chain max. These chains may be no longer than 16" and no more than 2 chain links may be welded to the engine cradle no chains permitted to weld to frame rails in any way motor of choice is permitted. Distributor protectors are allowed, nothing that attaches to engine can be wider than the stacks i.e. dist. Protector, engine cradles etc. or be used to strengthen cars.
2. Transmissions must be of passenger car origin, transmission coolers may be used, but they must be secured in such a way to prevent injury. Metal or braided lines must be used. No fuel or low-pressure lines may be used. Coolers must be secured in a container in the passenger compartment of the car.
3. Transmission protectors are allowed. They may not attach or brace to the cross member, frame, or any part of the cage components trans blanket is recommended. OEM trans cross member or 2x 2 x 1/4” max replacement. Must be mounted with at least a 2-inch space from all trans protector components including shifter plate. Skid plates are allowed. They may be one piece from engine to transmission. They may not extend past oil pan or transmission pan. Don’t connect to transmission cross member. Must be 2-inch space. No bolting or welding the skid plate to the frame.
4. No water coolers permitted or overflow bottles permitted must be factory car radiator or an OEM replacement only.
1. You may modify tie rods. Valve stem protectors are permitted. A-arms must remain in stock configuration. Any rubber tire permitted. Rear trailing arms may be home made no bigger than 2 x 2 square tubing or pipe and must mount to package tray like factory. Doubling of tires permitted. Bead locks are permitted no bigger than 21” across.
2. Upper A arms may be welded down by folding down the A Arm and welding to frame with no metal added. Bar type A Arms you may use a ¼" x 2" x 2" piece of steel on front and back side of upper a arm and you may plug weld the center of the a arm do not weld a arms to factory mounting brackets. Lower a-arms may not be welded. You can change out the new style a-arms for old style ones. Cars do not have to bounce. Solid suspension is allowed. On 98 - 02 A-Arm mounts you may use a 1” piece of solid rod or factory bar to connect the front and rear brackets this add on may weld to the inner parts of brackets and the top of cup over coil pockets it may not lay on top of frame. On 98-02 frames the cup over spring pockets must remain in factory location these cannot be removed or modified.
3. Coil springs in rear may be welded wired or chained to rear end. No coil to leaf conversions allowed.
4. Leaf Springs Conversions are ALLOWED!! Leaf spring cars may replace broken springs with factory ¼ " leaf springs only. No more than 7 springs allowed and must have a 2" stagger and mounted in factory location
You may use rear end of choice. Rear end protectors may be used but may not be used to strengthen car in any way and must be on back of rear end. Leaf spring cars may replace broken springs with factory ¼ " leaf springs only. No more than 7 springs allowed and must have a 2" stagger and mounted in factory location
5. Idler arm must be bolted factory to frame no bolts will be permitted all the way through the frame. Sway bar may be welded to bottom of frame in the factory location you may use a 1 ½ " x 4” bracket or a 2" square tubing or pipe to weld to sway bar to attach to frame. Sway bar must be a factory made car type sway bar. Sway bar ends may be bolted to lower A-Arms not welded.
6. Upper and lower A-Arms must be factory passenger car type no homemade ones will be permitted.
7. Any watts link brackets not utilized must be removed.
1. Any Year American-made sedan or station wagon. No Imperials Sub or Full frame
2. Helmet, seat belt, and eye protection must always be worn. Long sleeves and Long pants recommended.
3. Any controversies or protests must be brought up during the drivers meeting.
4. Any questions call first. If it doesn't say you can don't do it. Cars must be stock.
5. Judges decisions are final. All cars are subject to re-inspection at any time before, during, or after the event. All glass, plastic, and interior must be removed before arriving to the event.
6. IF IT DOESN’T SAY YOU CAN DO IT THAN DON’T ONLY MODIFICATIONS PERMITTED TO CAR ARE OUTLINED IN THE FOLLOWING RULES
FRAME AND BUMPERS
1. Trailer hitches and braces must be removed. No frame welding other than what is stated in the rules.
2. You may cut the flaps and tilt the frame in 1 place and in 1 direction. No seam welding on frames permitted.
3. Shaping or hammering of the frame only permitted done in the rear arch only. You may crease, notch, or dimple rear 12” of the frame to help car roll.
4. Bumper brackets or shocks may be no longer than 6” any factory car bumper bracket permitted instead of bracket you may use a 1/4” X 4” X 6” plate for bumper bracket.
5. Front frame may be shortened to the front edge of front body mount. Do not move factory body mounts Bumper may be welded directly to frame. No adding metal. On the back side of bumper where shock mounts you may use A ¼” X 6” X 6” piece of flat metal to create a flat mounting surface.
6. Bumper swaps ok must be factory car bumper any year bumper permitted. Bumpers may be loaded all work must be done inside of the bumper they must look factory when looking at them no homemade bumpers permitted. SMW and DEC Bumpers are allowed.
7. Car must set level bumpers cannot be higher than 22” to bottom of bumper or lower than 15” to bottom of bumper.
8. On pre-ran cars you may use 4 - 4”X 4” X ¼” fix it plates where frame is bent must be a visible bend to have fix it plates. If there is no visible bend the plate will have to be removed.
BODY / CAGE
1. Doors may be welded with 3 – 3” X 5” X ¼” plate per door seam or can be fastened shut with 9ga. Wire or banding
2. Deck lids must be in original position above rain channels or they may be removed from car. No wedging. Body creasing is ok. Deck lids may be welded with 3 – 3” X 5” X ¼” plate per seam.
3. 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. Factory body bolts may be changed to 5/8” 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. 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 floor boards of the car.
6. Front body spacer may be 6” tall maximum and must remain below the core support.
7. 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 No down legs permitted. Gussets permitted in corners of cage must be done at corners only. No bigger than 4” in diameter bars and you can use a ¼” X 10” X 10” plate to attach bars to the sheet metal. No kickers or down legs permitted. You may have a gas tank protector no wider than 32”.
8. 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. 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 floor board and securely fastened these must be covered with A rubber or non-flammable material.
10. You may use expanded metal 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. On 03 and newer fords you must use factory aluminum cradle and suspension components. You cannot tilt a 03 and newer ford.
1. Tie Rods may be reinforced. Any rear end permitted.
2. Watts link conversions on 98 and newer cars are permitted you must use ¼” X 2” X 2” square tubing or 2” round pipe for rear trailing arms.
3. You can weld front A-Arms down using a ¼” X 2” X 2” piece of steel front and back side of a arm you may also use ¼” X 2” X 2” square tubing or 2” round pipe for rear trailing arms.
4. 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 may be wired or chained. Solid suspensions are ok. 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
6. You can use screw-in spacers to get ride height.
7. Leaf spring cars must remain factory springs. You cannot change coil spring to leaf spring set ups.
8. Any tire may be used.
9. Rear ends may be braced this cannot strengthen cars in any way.
Engine / transmission / drivetrain
1. Any car motor of choice is permitted. Must use frame mounts that have a rubber style bushing like a factory style mount. ZTR or equivalent mount will be permitted no solid mounts permitted. No chains on engine permitted.
2. Transmission cross member can be a factory one or a 2” X 2” square tubing only.
3. Angles for cross member can't be longer than 5" and must be within 12" from factory location.
4. Engine cradles are permitted trans braces are permitted. If using a cradle ¾” or larger you cannot have a trans brace. Slider driveshafts are permitted.
5. Aftermarket gas pedal, brake pedal, steering column, trans cooler are permitted these must not be mounted in a wat to strengthen car.
WE HAVE THE RIGHT TO re-inspect, cut, or drill any CAR AT ANY TIME. IF YOU ARE CAUGHT BREAKING THE RULES SET HERE FORTH YOU WILL FORFEIT ANY AND ALL WINNINGS AND OR PRIZES YOU ARE DUE. No refunds on illegal cars.
1. Any 1980 and newer cars No hearses or limousine’s permitted.
2. Cars must be 100% stock!! No cross breeding entire drive line must be same make and model as car (Chevy to Chevy, ford to ford) Must appear to be factory engine to car with stock exhaust, exhaust may be cut off.
3. Engine must be mounted with stock mounts in stock position. No welding of mounts bolted only. No homemade cross members, cross members must be stock and bolted in not welded.
4. You may leave stock gas tank in stock location or you may relocate the fuel tank to rear floor of car if this is done you must use a fuel cell or boat tank no stock fuel tanks permitted inside of car. If you move fuel cell to inside of car it must be securely fastened to floor with bolts ratchet straps are not approved to mount fuel cells.
5. Windshield may be left in car OR you can remove windshield! The following must be removed prior to entering the fairgrounds, windows, headlights, taillights, all chrome and mirrors. Interior must be swept clean of debris and glass. You must remove all glass, plastic, and fiberglass on outside of car this includes plastic bumper covers.
6. Do not strip under the hood. Battery MAY be LEFT in stock location. But you may put rubber mat over it or spray with foam around it not excessively. Do not spray foam on anything else. You may move the battery to the floor of the car you may lengthen cables to the reach battery on floor not the wiring harness this will be strictly enforced.
7. If the car has a wiring harness in front of core support, you may move it behind core support. You cannot remove body mount bolt to do this.
8. One solid rod for shifter is ok (push pull old style) No bolt on shifters.
9. All body bolts must be factory stock no altering permitted.
10. Doors must be chained or wired. No more than 8 places per door the wire for bottom of doors may go around frame. You may use 5/16” chain or 2 strands #9 wire per hole. paint front doors in contrasting paint. example if the car is black paint doors white
11. Trunks must be chained or wired. No more than 8 places 2 of these may go around bumper and / or frame. TRUNKS MUST BE OPEN DURING INSPECTION! Deck lid and or tailgate must be in factory position on car or be completely removed from car. You cannot remove speaker deck from car. No welding or adding metal. No tucking, wedging, pre-bending, smashing, folding or anything else you can think of. No welding washers to body for wire.
12. Hoods may be wired or chained in 8 spots. You may use 5/16” chain or 2 strands #9 wire per hole. It must be sheet metal to sheet metal only. No welding washers for holes. Must be 12" hole in hood in case of fire. Remove hood latch!!! Hood must be open for inspection.
13. Any tire and rim permitted, doubles permitted, no foam filled tires or bead locks permitted.
14. NO CREASING OF THE BODY IS PERMITTED.
15. You can have a safety bar behind driver’s seat if you choose. These may be no bigger than 2” X 2” and mounting plate can be no bigger than 6” X 6” and mounted no farther than 6” behind driver’s seat. You may also reinforce the driver’s door as you see fit for driver safety this may be done from door seam to door seam only.
16. Stock type springs and shocks. No solid suspension. Screw in type spring risers ARE OK, NO wire, chains or any weld on rear ends or rear spring pockets. Cars must bounce & cars must be STOCK!!!!!
17. Only 1980 & newer bumpers are permitted on car they must bolt on in factory location and manner you may collapse the shocks and weld all the way around the shock and the plate to bumper Dec bumpers are permitted ends must remain open no metal added to bumper permitted. If car has no shocks bumper may be welded directly to frame with no metal added. On the back side of bumper where shock mounts you may use a ¼” X 6” X 6” piece of flat metal to create a flat mounting surface.
18. You may weld spider gears in rear end to make it Posi. You must use factory rear end for car you are running.
19. You are not allowed to change gear ratio in car or use aftermarket axles This will be driver’s responsibility to prove they are not changed.
20. Read all rules carefully and follow them! It will be a cheap easy build. Any questions call! There will be no stretching or bending of any rules or you will either run in the modified class or go home.