ALL GLASS, INTERIOR, LIGHTS, ECT WILL BE REMOVED FROM DERBY CARS BEFORE THEY ARRIVE ON FAIR GROUNDS TO BE INSPECTED.
Batteries must be secured in the front passenger floor area with a cover. Gas tanks will be removed from all vehicles and a smaller gas tank can be re-located in the back seat floor area. Boat tank or fuel cell recommended.
Steering column does not have to be a stock OEM column.
Transmission coolers are allowed in the driver/passenger area. Metal or High pressure lines only!
IN STATION WAGONS ALL REAR SEATS AND DECK LIDS MUST BE REMOVED BEFORE ARRIVAL TO GROUNDS.
ANY TYPE CAR ENGINE CAN BE SWAPPED Engine mounts: may be reinforced or homemade engine mounts. They cannot reinforce the frame in any way. Do not weld engine chains to the frame (must be bolted) unless it is on the engine cradle. Any skid plates must be welded to the pans only.
ENGINE CRADLES and Trans. cradles are allowed but cannot reinforce frame. HOMEMADE ANGLE TYPE CROSSMEMBERS ARE ALLOWED.
BUMPERS: Any car bumper can be put on any derby car.
Due to the high cost of bumpers you may "stuff the inside of the front bumper only" OR take a 4x4 piece of square tubing and put a bumper skin on it (front only)
DO NOT DO THIS TO THE REAR OF THE BUMPER
Bumper brackets can be welded to the frame. DO NOT PUT REAR BUMPER BRACKETS ON THE FRONT. Do not move bumper brackets from stock location. Bumpers can be held on by #9 wire in (4) spots to sheet metal.
*If you use shocks to mount bumper they must be the same as car gm with gm, mopar with mopar, ford with ford, and same style as what came from the factory for that year. There must be 6 inches of space between the shock and the A-frame area inside the frame.
***BUMPER HEIGHT FOR THE REAR IS: 16 Inches from the ground to the bottom of the bumper***
SUSPENSIONS: Any type rear end allowed. NO braces from rear end to body or frame / factory mounting only. Chains on rear end are fine.
*You may weld a 2x2 INCH STRAP on BOTH SIDES of the A-FRAME or have a bolt welded to the frame to bolt A-frame solid for height due to bad coil springs, re-enforced or homemade tie rods are allowed, & all-thread is allowed for rear shocks.
YOU WILL BE ALLOWED TO LEAF SPRING A COIL SPRING CAR. (Posted in Things to Know)
If you have a leaf spring vehicle no more than 9 springs and they must have stagger. (you may have a spring the same size as the main leaf). NO WELDING ON OR PLUG WELDED LEAF SPRINGS! No cold rolled steel for springs. 6 clamps per side.
Control arms can be reinforced or make your own. DO NOT REMOVE AND REWELD 97 AND NEWER LOWER CONTROL ARM ASSEMBLY MUST BE STOCK LOCATION ON FRAME.
Tires: No tires bigger than a 16, any ply rating does not have to be DOT, Tires inside of a tire OK, & any split rims must be welded. Bead locks ok. Valve stem protectors are ok. No studded tires.
CAR FRAMES: You may weld the top seam only.
22 inch arch plates on rear (prefer contoured to the frame) Split rail rear frames may be boxed in with the same thickness of metal (no bigger than 1/4 inch).)
ON A PRE-RAN CAR you can have (4) 4inch by 6inch plates anywhere on the frame as long as it is damaged. (only (2) if no damage like a fresh car) DO NOT RUN 4x6 PLATES TOGETHER space 4 inches
"THIS INCLUDES ARCH PLATES" A FRESH CAR can have (2) 4inch by 6inch plates anywhere on the frame. THICKNESS ON ALL PLATES 1/4 (quarter inch)
Body bolts no bigger than 3/4. Do not go all the way through the frame (stock type mounting)
CAN BE MOUNTED SOLID W/no rubber (body & frame)
You are allowed a 3 inch washer to cover 1/4 inch thickness over body mount frame holes. Do not slide bodies on derby cars. They must remain in the stock position.
Do not re-skin or double any metal on car bodies. If you have rusted out body mounts. Then use the same thickness to fix. Do not get carried away or you will cut it.
FRAMES: No additional welding on FORD CRUSH BOXES other than to tilt. This does not count as a top seam weld. You may tilt rear frames on cars.
Frames will be GM Corporation to GM Corp., Ford Corp. to Ford Corp., Chrysler Corp. to Chrysler Corp. and car bodies will match the same manufacture as well. In other words do not put a Chevy clip in your Ford or a whole frame swap into another car manufacture. NO HYBRIDS = Clipping cars no newer or older frame swaps 60's clip in you 90's car. It must be same year frame swap.
YOU MAY CHANGE OUT FORD ALUMINUM CRADLES WITH A FACTORY FORD STEEL CRADLE (Do not add any extra!)
Do not re-paint your frame or undercoat it. It will make for a long day for YOU to clean it off for the officials to inspect your car... All mud will be removed prior to inspection of car.
CAGES: No pipe or square tubing bigger than 4 inch. Can be mounted to the frame or body no more than 4 legs. Legs cannot go inside the frame. Legs must be straight down with no angle & in the driver’s compartment only. Rear bar behind seat must accompany the down leg. Overhead bar cannot be angled and will be near the driver’s helmet area.
A hole may be drilled in your cowl/dash area during inspection to make sure no extra metal is in it! Do not weld your dash bar to the cowl dash area. Dash Bar must be over the stock location of where the steering column mount was. Do not double this area.
GAS TANK PROTECTORS MUST BE INSIDE THE FRAME RAILS ON ALL CARS OR 4 INCHES AWAY FROM SHEET METAL IF THEY ARE OVER THE RAILS.
*DO NOT PUT PIPES OR ANYTHING ELSE INSIDE THE FRAME* If anything extra is found you will not be allowed to run period and will forfeit entry and or prize money!
Window bar for gas tank protector: May be connected to top of the car and no further than two inches onto the trunk.
We will give a little on this because of drivers size, do not cover the entire driver / passenger compartment with a cage. 6 inches past the door post is the golden rule.
DOORS: Can be welded solid with 2 inch strap. Door strap SHOULD NOT BE EXCESSIVE IN SIZE TO COMPLETE THE JOB.
TRUNKS: May be chained, #9 wired, welded, or all thread. You can use all thread for your body mounts in the trunk (2 only) "bolts must be inside the frame". *TRUNK LID MUST BE 12 INCHES FROM THE FLOOR ALL THE WAY ACROSS* All trunks can be welded with a 12 by 12 hole cut in the center...
(All QUARTER PANELS WILL REMAIN STRAIGHT OTHER THEN CREASING)* Welding of the trunks should not be excessive in the strap used... 4 inches in the golden rule!
HOODS: may be fastened down in 6 spots w/bolts, wire, or chain. All thread may be used for the core support holes. The other 4 will be sheet metal to sheet metal.
Hood must be open for inspection and located in stock position. No bending in front of the radiator....
All DERBY CARS MUST HAVE NUMBERS ON BOTH DRIVER AND PASSENGER DOORS. YOUR NAME WILL APPEAR ON DRIVERSIDE DOOR OR TOP. Roof sign is optional and cannot reinforce the car.
Cars will operate in a safe manner during the heat and feature events. If a derby car appears to be at risk of injury to the driver, spectators, or officials you may be disqualified. (example: doors torn off exposing driver)
INSPECTION will occur before your car runs in its assigned heat. It will be subject to re-inspection at any time until feature is over. Once the winner has been declared it is over with no re-inspection.
On 1978 and older sedans only, you may extend your arch plate to the first body mount on the outside of the frame only and not go past the hole in the frame. 1980 and newer GM & Chrysler sedans can have this too.
NEW RULE 2014: 1964 and older Ford and Mercury can only have a 22 inch arch plate.
NO PLASTIC GAS TANKS
You may have bolts over your wheel wells for the quarters, no extra bracing just bolts and washers.
Core support and all thread. You may weld the core support to the fenders (do not add anything) "no plates". On the fords "guys are sticking pipe or square tubing to jack up the core support" this is ok and you can weld the pipe or square down to the frame so it is not sloppy. (Nothing bigger than 2 inches on pipe or square)
You may run two kickers behind the A-frames on a GM, FORD, or CHRYSLER or any other car manufacture not listed. NO KICKERS TO THE REAR FRAME
******03 AND UP FORDS & MERCURYS********
Can change cradle with a factory ford parts with one pass of weld. NO EXTRA METAL USED. NO FILLING IN CRUSH POINTS OR INSPECTION HOLES IN FRAME. You have to weld a 3/4 washer on frame that 3/4 bolt will fit in, then drill or cut center of washer or frame out for inspection. One in front of a-arm and one behind a-arms. Band aids may not cover these up. Make sure we can see inside frame.
Read more: we-crash.proboards.com/thread/61229/clinton-county-fair-spring-indiana#ixzz3zobUzS62