Post by adair fair on Jun 29, 2016 13:40:41 GMT -5
Adair Co Big Car Demo Derby July 1, 2016 Friday
7:00 pm cst
Entry Fee $50
1st 2000
2nd 1500
3rd 750
Big Car Preparation & Building
1. All cars must have a cage in order to run! Safety Precaution Only!!
2. Any Year Sedans and 1980 Newer Wagons only. No Imperials, Hearses, Roundback wagons or leaf sprung cars. No 2003 and up models.
3. All glass, chrome molding, hood latches, gas tanks, and rear seats must be removed before cars arrive at the fairgrounds.
4. Stock type hood must be used. Hoods must be open for inspection. Hoods must be secured in 6 places with 2” by 2” x ¼ angle. NO longer than 6” with 3/8th bolts.
5. THE DRIVERS SIDE SEAT BELT MUST BE IN WORKING ORDER.
6. Gas tanks must be relocated behind driver’s seat, securely fastened and covered. Any visible leaking fuel will result in automatic disqualification. All plastic tanks must be in a steel enclosure. However, it cannot be bolted to strengthen the car. Gas tank protectors are allowed no wider than 27”.
7. Radiators must stay in original location. May be wired on all four corners.
8. You may run electric fan.
9. Batteries must be moved to the passenger’s side floor board. The battery box cannot strengthen the car in any way. NO more than 2 batteries.
10. No welding on frames or body seams. This will be checked. No plated frames.
11. Cutting the ends off bumpers and fenders for clearance is permitted.
12. All cars must sit level within 5” with no car sitting lowers than 16” from the bottom of the bumpers or higher than 21” from the bottom of the bumpers. The bottom of the frame rail should be 13” to the ground. No wedge cars.
13. Sunroofs have to be covered, no exceptions. Any type of fan has to be covered.
14. Factory condensers only. They may be wired in, not welded.
15. A welded 4-point cage can be put around driver’s compartment. It has to be no bigger than 4x6 inches and can be welded to car but not excessively. The front bar has to be 5 inches from the firewall and tunnel. The back cage bar no further back than 12”s past driver/passenger door posts. You can wire cage to rails in 4 places using # 9 wire or 2” ratchet straps.
16. Body bolts can be replaced with only stock size. Must have factory body bushings. 17. Motor swaps, rear end swaps, pulley protectors and engine cradles are allowed.
18. No distributor protectors are allowed at all.
19. You can use aftermarket steering column. After market tie rods, front sway bar on new model can be bolted to lower A-arm, can be welded to frame with factory bracket.
20. Transmission coolers or oil coolers are allowed. No transmission protectors at all.
21. The A frame can be welded with a 2” x 4” strap 1 in front 1 in back of A frame.
22. Any year factory bumpers which can be welded are allowed. DEC bumpers are allowed. Loaded factory bumpers are allowed, but no extreme pointed bumpers. Old models can weld bumper bracket with one weld pass. You may modify a back bumper maximum ¼” thick of 2”x5” tubing. Back bumper cannot be loaded and ends cannot be capped. 12” bumper shock in rail.
23. Slip shaft are allowed with rear end braces but no kicker to rails.
24. Trunk lids can be welded with 8 plates, maximum of 6” long, 1/8th x 3 “thick material with 6” of space between them. Trunk needs to be standing up until after inspection then can swag with rear quarters to remain standing. Body creasing is allowed. Window bars are allowed from back glass to lower part of speaker deck, not to truck lid in any way. This is for safety. It must be a factory car trunk lid with a 12” inspection hole cut into it!
25. Cut box loose and pitch one pass weld.
26. NO WELDING except bumpers and motor mounts.
27. Roll over bars are mandatory. Must be straight up and down.
28. You may use 1” all thread in core support or 1” max tubing in core support. No welding of the tubes down the side of the frame. The factory eye where the all thread is, you can do away with the factory eye and use a ¼” thick by 3” wide plate, and can only go from seam weld of the rail out. Core support spacers can only be a maximum of a 7” spacer, this will be strictly enforced! May shorten rails 4” maximum in front of factory eye.
29. Doors can be welded shut using 3” by 1/8” thick material. Weld 6” inches, skip 6” inches. Driver door can be sheeted. Door seam to door seam no thicker than 1/8”. 30. Absolutely no skid plates. 31. Can run any rear-end as long as it doesn’t strengthen the car.