BODY:
Stock production body only. Hoods may be gutted. Complete stock unaltered body required. Stock roof for car being raced, must be in stock location. (No lowering).
All safety and general rules apply. Firewall may be altered for distributor clearance only if necessary. No engine set back or offset. No cut out holes in firewall. Any bars necessary to ensure rigid frame and radiator protection will be permitted behind the front and rear bumpers provided they do not extend past the body. Aftermarket nosepieces allowed. May use 22 or 24 gauge sheet metal or aluminum for doors, but they must have factory bodylines. Metal dash is ok. If car has sheet metal deck it must it must be open on driver side. Must have original factory front and rear firewall and floor pan. No cutting of fender wells except for tire clearance only. Front inner wheel well panels optional. Trunk lid may be gutted. Stop sign post material allowed between front and rear fenders on side of body to protect sheet metal and paint jobs. Front and rear firewalls must be in stock location. Stock unaltered floor pan required. Entire seat must be in front of rear edge of door. Minimum wheelbase is 99". Cars must weigh a minimum of 3300#.
ENGINE OPTION 1:
No 400 cubic inch engines Dished or flat top pistons only. Must be GM in GM, Ford in Ford, etc.
No crossbreeding of parts. No stroked or de-stroked engines allowed. Stock rods for cubic inch engine used. Stock production heads. No double hump heads allowed, VORTECS OK. No O41 casting heads allowed (all heads without casting numbers will be illegal). No porting, polishing or port matching allowed. Maximum intake valve 1.94, maximum exhaust valve 1.50. Stock 2 or 4 barrel steel intake no highrise.
Screw in studs and guides plates allowed. No roller tip or roller rockers, no stud girdles allowed no roller lifters, no roller cams or ceramic lifters. Cam lift at 450 Max. No carburetor spacers, adapters only. Holley 4412 carburetor unaltered. Choke flap can be removed. No after market distributor, Stock distributor ignition only points or HEI, may run high output coil but no ignition box. Street style headers allowed with 1 5/8 inch primary tubes. Aluminum pulleys allowed on crank and water pump only.
ENGINE OPTION 2.
CHEVY 602 SEALED CRATE MOTOR. MUST RUN STOCK 4412 HOLLEY CARB WITH AN ADAPTER.
602 crate engine get 100 pound weight break must weight 3200 minimum
CLUTCH AND TRANSMISSION:
Single disc clutch only 10.1/2” minimum, No aluminum flywheel. Stock type flywheel to weigh no less than 14Lbs, Stock type pressure plate no less than 13Lbs.Stock disc type clutch and flywheel required. Stock torque converter (13”) required with automatic transmissions. Transmission may have shift kit installed. ¼” steel plate surrounding stock bell housing or blow proof bell housing required. No racing clutches or light flywheels, or small torque converters, or racing torque converters allowed. Functioning torque converters must weigh 38lbs. minimum.
FRAME:
Stock frame for car body used. Uni-bodies MUST connect front and rear with tubing or use roll cage to strengthen frame, provided they do not extend past the body.
FRONT SUSPENSION:
Must be stock as produced by the manufacturer. Shocks must be in stock location using stock mounts. No screw jacks. Racing springs & racing shocks allowed. Steel shocks only. Right front upper control arm may be reinforced for safety. Only stock proportioning valves are permitted. NO after market brake pedal allowed. Quick disconnect steering wheel & quick steer ok. All other steering components must be stock. No threaded adjustable buckets allowed.
REAR SUSPENSION:
Stock as produced by the manufacturer, except rear end housing may be replaced with any 5 or 6 lug rear end. Ford 8” or 9” rear end ok (GM included). Floater rear ends ARE NOT allowed. Stock suspension must be retained. Shocks must be in stock location. No add on traction devices, or modifications. Adjustable shackles and racing springs allowed no sliders. No adjustable lowering blocks, aluminum lowering blocks ok. No heim joints allowed. Aftermarket bushings will be allowed. Rear end may be locked. May use production disc brakes. No threaded adjustable buckets allowed. Lower trailing arms must be stock and mounted in stock location as produced from factory. Lower trailing arm mounts must be be mounted equal length on both sides from the bottom of the rear end housing to the center of the bolt hole +/- 1/4 inch, and will not vary more than 1/2 inch from stock. Aftermarket rubber or steel trailing arm bushings allowed.
WHEELS AND TIRES:
8” steel wheels. 15x8 maximum wheel size.
Bead lock allowed on right rear only.
DOT approved passenger street radial tires, Hoosier G60 IMCA or A40 tires.
No modifications of any kind to tires.
DOT tires cannot be wider than 60 series.
No mud grip tires.
** There will be no exceptions or ‘grace period’ on wheels and tires**