Official 2012 Rules

       These rules are in effect and the only Official Rule

                Street Stock

Limited to American made cars & pickups only.

Weight:

3200 lbs with driver after heats & features

3100 lbs using 602 Crate Engine with driver after heats & features

Body:

Car must have a stock steel OEM body. Firewall, must be from fender to fender in stock location.

Floor pan required.

Trunk maybe cut out.

After market plastic noise & tail pieces allowed.

Cutting allowed for tire clearance.

Spoilers max height 6"

No glass or Lexan in windows, all windows must be open.

May run plastic side skirts.

Frame:

Must be stock OEM frame bumper to bumper.

Minimum of 108" wheelbase.

Engines must be in stock location.

Roll cage must be welded to frame and use 1 ½" tubing @.083 thickness

Front Suspension & Steering:

Jack bolts ok.

Tubular upper control arms or OEM.

OEM lower control arm for frame, spindles, steering box, Tie rods and center link.

5" min. od on coil springs.

Racing shocks permitted, one shock per wheel steel shocks only, no adjustable stock.

May run after market power steering pump.

Rear Suspension:

Jack bolts ok.

Leaf spring may run adjustable lowering block, but no slider.

Coil spring must be mounted on top of rear end.

Stock lower trailing arms on rear end must mount in stock location.

Stock Upper trailing arms must mount in stock location.

NO coil eliminators or Coil overs.

No 5th coil no 90/10 no lift bar no pull bar

5" min. outside diameter on coil springs.

Racing shocks ok one shock per wheel steel shocks, no adjustable shocks.

May run 9" ford rear end or floater housing

Fuel Cell / Fuel:

An approved fuel cell is highly recommended.

Block mounted fuel pumps only no electric pumps.

Wheel & Tires:

8" or 10"steel wheels only, no aluminum wheels & beadlocks are allowed.

1" lug nuts required.

Street legal D.O.T. 60 series radial permitted, Hoosier IMCA G60 or American Racer K7704

Tires must have all numbers and name on tires. No grinding off of numbers or names, any tire that has been altered will be deemed illegal, with no grooving or siping allowed.

Brakes:

Must have brakes on all four wheels.

Dual master cylinders are Okay.

Disk brakes ok front & rear. No aluminum calipers stock OEM only.

Transmission/Clutch:

OEM 3 or 4 speed transmission only.

Must have all gears working.

Automatic transmission must have a minimum of a 10" OEM type torque converter in working order.

Driveshaft painted white. Driveshaft loop 6" to 12" behind transmission.

Stock OEM steel flywheel & pressure plate only

No special production clutches or pressure plates.

Engine:

OEM Small Block V-8 only.

Any intake but no porting or polishing.

Max bore size Chevrolet 4.060, ford 4.060, Chrysler 4.060.

Must pull 17" of vac. at 1000 rpm’s

Flat tappet or hydraulic cam only. No Roller or Mushroom.

Four (4) eyebrow flat top or dish top pistons only.

OEM Rods or stock replacements only. Stock length OEM rods Chevy must be 5.7 or Ford 5.956

OEM cast crank or stock replacement with stock stroke for engine only.

No lightening or knife-edging crank or drilling of crank pins.

Heads to be stock OEM production Dart SS or World SR okay. No Bowtie, Vortex Bowtie, Motown or Iron Eagle.

Carburetor:

Stock OEM allowed.

One single line Holley 600 CFM vacuum secondary only.

500 CFM Holley allowed.

Carter or Edelbrock allowed.