***ALL cars MUST HAVE weight posted at driver's window. Not posting weight could result in DQ****
*These rules may be altered or edited as the season progresses to ensure equal competition.

Frame: Rear wheel drive full size cars and trucks. No front wheel drive, 4x4, or all-wheel drive. 108" min wheelbase. Frame must be OEM from front to center of rear axle. From center of rear axle back may be constructed of 2" tubing. Frames may be repaired or clipped with different model factory frames or components, if all other chassis rules are correct. Camaro and other cars not full framed may be connected. X bracing ok. Full roll cage required with a minimum of 1.5" tubing in the main cage. Fuel cell required with quality-built mount. Secure fabricated battery box required. Quality built seat mount and racing seat with 5-point racing belt harness. Full containment seat recommended. Engine must be in stock location and in center of chassis. #1 plug must be in front of or on the centerline of the upper ball joint. No frame modifications except for fuel pump clearance. Weight jack bolts are allowed. Drive shaft loops mandatory on all vehicles.

Front suspension: Upper control arms may be made from tubing and may be relocated. Lower control arm mounts must remain in stock location. Lower control arms must be stamped stock style and factory stock lengths. All steering links, idler, and center link etc. must be stock style or OEM. Tie rods can be tubular with hiem ends. Any factory style spindles. No fabricated spindles. Three-piece Speedway style cast spindle permitted. Steel stock style hubs and rotors, stock style steel single piston calipers, no wide 5 hubs. Must have working brake on all 4 corners. Steering boxes only and quick steering ok. 5" coil springs only and must be in stock location. Weight jack bolts are permitted.

Rear Suspension: Stock chassis mounts only, stock rear suspension only. Frame mounts may not be modified or changed. Leaf spring frames may have adjustable mount on rear only. Any leaf spring is allowed. Rear suspension and front suspension must be same brand-make, no mismatch. Any stock style steel rear end is permitted. Floater style rear ends ok. Steel hubs with a factory style lug pattern only and no wide 5 hubs. No quick-change rear ends. 5-inch coil springs only. Weight jack bolts are permitted. Rear links must mount in stock location on chassis. Upper / Lower Trailing arm must be steel, may be adjustable, must be within a half inch of factory length. Any factory style steel brakes are allowed.

Shocks: Steel bodied nonadjustable shocks are permitted. No adjustable shocks, no reservoir shocks, no Schrader valve shocks, no piercing valve shocks will be allowed. Any valve style shock must not be able to be altered at the track. Shocks me be claimed for $125. One shock per corner of the vehicle will be permitted. No bump springs or spring rubbers allowed. No bump stops permitted. No bump springs mounted inside the shock body. Shocks must be able to be fully compressed or extended by hand. The track reserves the right to claim shocks for inspection. In this case the driver's money will be held until the shock is determined to be legal. If the shock is illegal, further penalties will be assessed. No helix style spring cups, no 'pig tail' springs, not coil bind springs.

Tire/Wheel: 8" maximum wheel width and 15" tires only. Bead lock wheels will be permitted on the right side only. Wheel spacers up to one inch permitted, but lug studs must show one round of threads. Oversized lug nuts are recommended. No chemical altering of tires. No aluminum wheels.

Trans: Manual or automatics are permitted. Any stock clutch and pressure plate. Steel drive shaft must be painted white. Cars must have working reverse and starter. Steel bell housing only, safety rated bell housing recommended. Starter must be mounted on the engine in the stock location. Bert/Brinn style transmissions permitted, must add 50 lbs. No roller slide/ball spline type transmissions. Slip yoke only.

Body: All bodies must be stock appearing. Vehicle noses and rear sections must be stock style and closed off with no open rear bumper areas. All vehicles must have a 20-gauge steel or 60 thousandths aluminum fire wall and floor pan. The floor must extend from the left side frame rail to the right-side frame rail and from the fire wall to the back of the driver seat. A rear fire wall must be between driver and rear section of car. Drive shaft tunnel must be in floor pan. Fire wall may be clearance for headers. Body must be centered on the chassis. All glass must be removed. A rear fire wall must be in place separating the driver interior from the fuel cell/rear suspension area. No fiberglass body panels except for hoods. interiors may be enclosed with deck, but full fire wall and floor pan must remain in place. Truck beds may be covered. Rear spoiler permitted on trunk lid, 8" max, side panels same as late model.

Engine: Option 1, weighing 3,000 pounds. Standard production engines, Chevy 350, Ford 351, and Chrysler 360. No Bowtie heads/blocks, No SVO heads/blocks, No Chrysler W blocks. No high-performance factory components. Engines can have a max of .060 over bore. No polishing or coatings on the inside of the block. Engine may be balanced. No external machining on the block. Flat top pistons only, must have 4 eyebrows same size. Cranks must be stock, with stoke stroke, and a minimum of 50 pounds. Rods must be cast or forged steel, I-beam only and stock factory length. Piston must not extend above block. 4 bolt blocks permitted with factory stock caps only. Heads must be stock for the engine being raced. Production heads only. Heads must be within 1 degree of factory valve angle. No angle cut heads. No vortec or angle-plug heads on this engine option. Max intake valve 1.94 and max exhaust 1.50, 70cc minimum chamber on heads. No porting, grinding, or polishing. Three angle valve job permitted. Steel valves, retainers, and keepers only. Stock rockers with stock ratio only, no roller tips. Cast iron intakes will be permitted with no modification, no aftermarket intake, no Bowtie or SVO intakes. Stock type hydraulic cam and lifters with a max of .450 lift. No mushroom lifters and no altering lifter bore.

Engine: Option 2, weighing 3,200 lbs. Standard production engine, Chevy 350, Ford 351, Chrysler 360. No bowtie heads/blocks, no vortec heads, no angle plug heads, no SVO heads/blocks, no Chrysler W blocks. No high-performance factory components. Engine may have max over bore of 0.60, no polishing or coating inside the block. No cutting/machining outside the block. No dry sump. Engine may be balanced. Crank must be stock, with stock stroke, and a minimum of 50 lbs. Rods must be cast or forged steel, I-beam only, and stock length. Flat top pistons, piston cannot extend above the block. Factory production heads only, must be stock for the engine being raced. All heads must be within 1 degree of factory valve angle. No angle cut heads. No porting, grinding, or polishing of heads. 64cc min chamber. 3 angle valve job permitted. Max intake valve 2.02, max exhaust 1.6. All valves, retainers, and keepers must be steel. No undercut valve steams. Stamped steel rockers only, must be factory ratio, no roller tips. Stock type hydraulic cam only and lifters only. Max cam lift of .480, no mushroom lifter or altering lifter bore. Cast iron intakes only with no modification.

Engine: Option 3, GM 602 crate engine weighing 3,000 pounds. This engine must be sealed from GM or certified engine builder with Crate USA, UCRA, or Fastrak. All components in the engine must remain as delivered from GM. No vacuum pumps. All serial numbers, seals, or other identifications must not be altered. The engine must maintain all stock dimensions and original equipment components, such as valve size, lifters, crank, rods, pistons, rockers, intake, and block. Engine option 3 can use street stock ignition rule listed below.
Ignition: Any standard distributer type electronic ignition allowed. MSD Permitted. Must remain stock firing order. No magnetos. One 12-volt battery only. HEI distributer permitted. No dual point distributers or crank triggers. No traction control. Alternators will be permitted. Aftermarket distributers permitted. $300 Claim on any external ignition box.

Water pump: Stock style cast aluminum or steel water pumps permitted. No electric water pumps or electric fans permitted.

Exhaust: Headers or stock style manifolds are permitted. Headers must be 4 tubes going into 1 collector. No tri-Y headers no merge headers.

Carburetor: All engine options, Holley 4412 500 2-barrel, choke may be removed. Choke horn must remain. (Carb checked with go-no-go gauges). 1" carb spacer permitted, cannot extend into intake, 2 standard gaskets only. No aluminum carburetors of any type.

Fuel: A mechanical style fuel pump is permitted. Pump must be in the stock location. No electric or belt driven pumps. Gasoline or racing gas will be permitted. No alcohol, nitrous, E85, propylene, methanol, or other exotic fuels.

General: All cars will receive a 1 pound per lap burn off with a 10-pound variance after the feature only.