***RUSTY BOLT***
*Front firewall MUST remain stock and in stock location.
*Open holes in firewall must be sealed.
*Must have firewall between trunk area and drivers compartment and open holes must be sealed.
*Trunk floor and rear wheel wells may be removed.
*Must have a STOCK floor pan from front firewall to back of front floor pan (behind seat)
*Cars may run aftermarket body.
*Cars can have an aftermarket nose, NO Late Model noses.
*Cars can run a 5 inch spoiler.
*Maximum wheel width is 8 inches.
*Beadlocks are allowed.
*DOT or any 8 inch Modified tires allowed
*ALL suspension mounts and location MUST BE STOCK!
*No Spring Buckets allowed
* No Wedge Bolts allowed
* No rebuildable shocks
*A-Arms MUST be stock/ tubular stock length
*Trailing arms MUST be stock. 2 ¾” maximum from bottom of rear end housing to center of control arm bolt (may run tubular stock length trailing arms)
*9 inch Ford floater rear ends are allowed. May be locked.
*Quick Steer allowed
*Chevrolet 305 cubic inch engine, Ford 302 cubic inch engine, or Dodge 318 cubic inch engine ONLY
*ABSOLUTLY NO stroked or destroked engines!
*Engine MUST be in STOCK location!
*Max bore is .060.
*Engine may be balanced.
*Stock connecting rods
*Stock Crankshaft
*Flat top or dished pistons.
*Stock cast iron heads. NO porting or polishing.
*NO vortec heads!
*1.94 and 1.5 valves ONLY!
*Maximum cam shaft lift is 4.10; Hydraulic ONLY!
*STOCK 1.5 rocker arms
*Screw in rocker arm studs are legal.
*MUST run a STOCK cast iron dual plane intake. ABSOLUTLY NO high rises allowed! (No aluminum manifold/ no boat manifold allowed)
*1” carburetor spacer/adapter allowed if you have a Holley 4412
*Quadrajet and 4412 Holley Carburetors ONLY! 4412 WILL be gauged!
*Cast iron exhaust manifolds ONLY!
*Any stock transmission allowed!
*Automatic transmissions must have 10 inch or bigger working torque converter.
*Straight shift transmissions must have a 10 inch or bigger stock type single disc clutch.
*Car must weigh 3200 lbs with driver after race
*V8 engines only
*Any HEI stock or aftermarket distributor allowed
*No MSD box allowed
