Derby Rules
May 4th drivers meeting TBA INSPECTION OPENS TBS INSPECTION AND HAVE A FLAG TBA For more information contact: Monsta Dixon 615-753-3458 or Danny Canter 615-636-1672 VEHICLE SPECIFIC: Any year make and model -All 80s and newer cars will be allowed to tilt or cold bend in one location only. Cut, tilt and weld back. No added metal. All 80s and newer cars will be allowed 22” X 6” X 1/4” hump plates. Strait or contoured ok. -03 up Fords, Lincoln, and Mercury must utilize factory aluminum cradle and oem rack and pinion steering. Steel bolt over factory Alum cradles allowed and can’t be welded to frame anywhere. Please have cradle preapproved if in questions at all. -98 up Ford, Lincoln, and Mercury may use Watts conversion brackets. -Old Iron are not allowed to tilt or cold bend. 12” X 6” X 1/4” thick hump plates allowed. BODY: -Body creasing is allowed. Rear quarters must stay standing. -Trunk must have 10” hole for inspection purposes. Hood must be open during inspection and have 10” hole over engine for fire safety. -Firewall can be cut for clearance. You can remove but can’t add. -(2) 3” wide max steel plates or chains can be welded from roof to firewall for driver safety. 6” exposure max on roof and firewall. -Driver’s door can be welded solid and/or have 1/8” door skin for safety. Your allowed 6” on and 6” off on doors and trunk. 3” wide X 1/3” max -Hood can be secured with 6 points total. Core support body mounts 1” max and additional (4) 5/8” max 2” X2” angle 2” long with single bolt can be used to secure hood. -Trunk can be welded 6” on and 6” off with 3” wide X1/8” max strap. (2) of the body bolts may extend through trunk lid. 36” max length. -Back window bar 3” max diameter. 6” mounting plate and must attach within 4” of where speaker deck and trunk lid meet. -Expanded metal or 1/8” steel radiator guard 32” wide max can be welded 6” on 6” off OR bolted to core support. -Do not move core support. -No body seams may be welded other than what is stated in the rules. -Fenders may be bolted together using 5- 3/8 bolts per fender -5 spots of double stranded #9 wire may be used from hood to front bumper and 5 spots from trunk lid to rear bumper. FRAME/BUMPER: -Bumpers may be homemade but point must be equivalent to Chrysler Pointy or less. -Bumpers can be welded straight to frame. No welding more than 6” from back of bumper. -Factory bumper bracket can be used but no welding on frame more than 6” from back of bumper. -(2) 3” X 6” X ¼” plates can be used per frame rail in front and same for rear to assist in mounting bumper IF no bumper shocks are used. You can’t have bumper shocks and 3X6 plates. No welding of plates or bumper shocks more than 6” from back to bumper. -Max shortening of front frame is to the front side of factory core support mount. Do not move or alter the factory core support mount in any way. No shortening of rear frame. -No other welding on frame other than what is listed in rules. Any illegal alterations to frame will result in disqualification. -No frame shaping. -Factory crossmembers or 2X2 tubing. 3X3 angle 6” long may be used to mount crossmembers. -No painted frames. If frame is painted, you will not be allowed to run. -ALL CARS FRESH OR PRE RAN will be allowed (4) – 4 X4 X 1/4” plates. Plates can’t be used as driveline kicker or frame pin. Plates can be bent. Plates can’t be cut in half and used in multiple spots. -Sway bars can be used but must not have contact with pulley protector at any time. Sway bars must bold on and use factory style frame mount. DRIVETRAIN: -Lower cradle only on engine, front plate on cradle is ok. Steel bell and steel tail are ok, but nothing can connect bell to trans other than pump bolts. -No transmission braces, Mid Plates or Distributor protectors allowed. -Header, carb, and pulley protectors allowed but must not brace car in any way. Carb protecter must no go past center line of carb. -Header, carb, and pulley protector rules are simply in place to protect your investment/engine. Do not abuse the rules. -Slider shafts are allowed. -Motor swaps allowed. Ex. Chevy motor in Ford or Chrysler. -Any rear end. Rear end bracing must not strengthen car in anyway. -Aftermarket lower engine mounts are ok, but no chains allowed on engine. If using factory lower engine mounts, one 5/16” chain per side may be used to secure engine. 2 links max welded to frame. BODY MOUNTS: -Core support can have up to 2 threaded rods 1” max diameter and can extend through hood. This may not be sleeved with tubing. This will count as 2 of the 6 hood attachment points. Other attachment points 5/8” max. -Core support spacer 8” max. Can weld to frame OR core support, not both. -Trunk can have up to 2 threaded rods 5/8” max diameter from trunk led to frame, must have 1’ gap between body and frame. This will count as 2 of your 6 total trunk mounts. Other attachment points 5/8” max. -Body mounts can be changed to 5/8” max bolt. Bottom washer must be up inside frame 3” max washer. No added body mounts. -Must have 1” gap between frame and body. Steel spacer or hockey pucks allowed. Steel spacers may not be welded to frame. SUSPENSION: -Front suspension may be welded solid using (2) 2 X 3 X ¼” plates per upper a-arm. -No solid rear suspension must have movement. No all-thread shocks. -Coil spring cars can use #9 wire or chain from rear humps to rear axle, 2 links max welded on frame. -Watts Conversion Brackets allowed. Factory rear trailing arms can be strengthened or steel tubing may be allowed. -Factory leaf spring cars must use factory oem leaf packs and get 4 added spring clamp per leaf pack. -No leaf spring conversion. -Aftermarket ball joints and tie rods are ok. No Heims. -A-arm swaps are ok. -No aftermarket spindles. GM factory lift spindles are ok. DRIVERS COMPARTMENT: -Aftermarket shifter, gas pedal, brake pedal, steering column, and transmission cooler allowed but must not strengthen car in anyway. -4-point cage allowed, welded to body only. 6” max tubing. Cage must be 6” from floor, transmission tunnel, and firewall. Side bars can’t extend more than 6” past front door seams and can’t be welded to rear humps. -4 down tubes from side bars to BODY ONLY ae allowed and must be in area between dash bar and back seat bar. -Rollover bar allowed with max three attachment points to roof. Must be vertical attached to side cage bar and not body or frame. Rollover bar must be with 6” of driver’s seat. -Gas tank protector max 24” wide. Can be against package tray and bolted in 2 spots max. -Gas tank and battery must be relocated to driver compartment. |
Contact:
Monsta Dixon 615-753-3458 Danny Canter 615-636-1672 Jason Schmdit 931-721-6453 houstoncountyfair@gmail.com |