2012 STREET STOCK RULES
This class is designed for stock street cars only. No factory High Performance vehicles.
All items must remain stock unless stated otherwise in rules listed below. And areas not covered in the rules below shall be left up to the discretion of the track offical(s).
DO NOT ASSUME ANYTHING. WHEN IN DOUBT ASK FIRST!
1) Any General Motors made 2 wheel drive cars manufactured from 1965 to date with a minimum factory wheel base of 104 inches. No vans, jeeps, or convertibles cars.
1a) Ford cars ONLY with a wheel base greater than 108 inches may shorten their wheel base to 108 inches by sectioning the frame behind the transmisson crossmember. Transmission crossmember MUST REMAIN IN STOCK LOCATION! All modifications must be done directly behind transmission crossmember.
1b) Ford uni-body Thunderbirds less than 108 inch wheel base are allowed. NO INDEPENDANT REAR SUSPENSION CARS ALLOWED!
1c) Chrysler uni-body cars less than 108 inch wheel base are limited to 318 cubic inch engines.
2) No reinforcing, cutting apart, welding or modifications of anything on the vehicle is allowed except as specified.
3) All glass, burnable material and exterior body trim must be removed.
4) Gutting – Hoods, doors, quarters, fenders, trunks inner panels may be removed. Trunk pan may be removed. Wheel openings may be cut for tire clearance.
5) Doors must be fastened closed.
6) Aftermarket front and rear noses allowed. Aftermarket or Fabricated body allowed, must be stock appearing and follow body lines of car used. Steel or Aluminum allowed. Covers must match body used; GM on GM, Ford on Ford etc..
7) Tubing bumbers allowed. NO PUSH BARS!
No sharp bumper ends, loose or sharp body panels.
9) Front & rear hook up chains MANDATORY!
10) Any body panels or bumpers deemed unsafe will not be allowed to compete until repaired and inspected.
11) A 6 point cage is MANDATORY! One post by each windshield post and two behind the driver with all four connected at the top with a roof hoop.
12) You must have an angle brace running from the upper right corner to the lower left corner behind the driver.
13) The two back bars must run from top left and top right of the roof hoop to the rear of the car.
14) At least one bar from left cage post forward to frame to protect drivers feet and legs.
15) Minimum three door bars on left ( drivers ) side and two on the right ( passenger ) side.
16) Roll cage must be constucted with a minimum of 1 1/2 inch OD .095 roll bar tubing or equivalent.
17) Three inches minimum from top of roll cage to top of drivers head.
18) Bars may run through firewall to front of car.
1) All suspension, steering parts and pivot points must remain in STOCK location.
2) Racing springs and adjustable cups allowed. Front and rear.
3) No solid or offset bushings allowed. Spindle savers allowed.
4) No Sway bars over 1 inch OD allowed. Sway bars may be adjustable on left side. Must be in STOCK location at frame with STOCK type mounts. Sway bar may be removed.
5) Steering column may be removed and replaced with 3/4 inch steering shaft with removable steering wheel.
6) Shocks must STOCK passenger car type. No adjustable or racing type shock allowed. Shocks must be mounted in exact factory location. Any filing or removing of part numbers will result in DISQUALIFICATION!
1) Ford 9″ allowed , floater ok or may run big 10 bolt GM rear end.
2) Any gear ratio.
3) Rearends may be locked. Spools allowed.
4) Must have driveshaft safety loop located no more than 6 inches behind front U-joint.
5) Driveshaft must be painted white. MANDATORY!
1) Single master cylinders only. Stock steel GM calipers. No aftermarket calipers allowed.
2) Rear disc brakes allowed. No Anti Lock brake systems allowed. No brake adjusters of any kind allowed.
3) Brakes must work on all 4 wheels at all times.
4) Factory brake proportioning valves may be removed. ( Optional )
1) Radiators must remain in stock location. Factory radiator support may be removed and constucted of roll bar tubing but must remain in STOCK location.
2) Aluminum radiators allowed. Flex fans allowed. Aluminum crankshaft and water pump pulleys allowed.
1) Must be mounted securely. No bungee cords.
2) Batteries may be mounted in trunk.
1) Stock 3 – speed automatic transmissions. All gears must work.
2) No powerglides allowed.
3) Straight drive ( manual ) 3 or 4 speed transmissions allowed. All gears must work. Add 100lbs.
4) Minimum weight for flywheel and clutch with bolts is 32 lbs. Release bearing not included.
5) No modified or stall converters allowed.
1) ENGINE MUST BE MOUNTED IN STOCK LOCATION.
2) Steel or solid mounts allowed.
3) Stock crankshaft and connecting rods. Stroke and rod length must remain STOCK! .015 tolarance on stroke.
4) GM 602 Crate engine with 2 barrel carb. only. All Crate engines are sealed. No modifications allowed.
1) Maximum overbore .080
2) Flat top 4 eyebrow stock appearing allowed. No lightweight or short skirt pistons allowed.
1) Any hydraulic or flat-tappet cams.
2) No roller cams, roller rockers or roller tip rockers allowed.
1) Cast iron OEM heads only.No modifications, no 300 hp or closed chamber heads, vortec or high performance heads. Valve cover breathers allowed. Aftermarket PBM head allowed. Part # 176970A/167970A only.
2) No porting, polishing or gasket matching allowed.
3) Stock valve and spring size for head used. Single springs with damper only. Solid steel retainers and locks allowed. Rotating retainers may be removed.
4) Screw in studs, pinned studs and guide plates allowed.
5) Poly locks allowed.
6) Three angle valve job allowed.
INTAKES & CARBURETORS…..
1) Stock cast iron 2 or 4 barrel intakes! No marine intakes allowed. 2101 Edelbrock aluminum intake allowed. Number must be on intake.
2) Stock type carburetor for car used. Vacuum secondary 600 cfm Holleys allowed. Choke plate may be removed. Must have air horn. Dual feed allowed. No double pump carburetors allowed.
3) Adapter / spacer allowed. Maximum 1 inch thick including gaskets.
4) Aftermarket air cleaners allowed. Air cleaners must fit under hood.
1) Fuel cells MANDATORY!. Fuel cells must be mounted in trunk area. Bottom of fuel cell cannot be lower than bottom of rearend housing.
2) Racing fuel allowed.
1) Headers OK.
2) Undercarriage Headers OK.
1) Steel wheels ONLY! Any offset. Maximum width 8 inches bead to bead.
2) 1/2 inch spacers allowed. One per wheel.
3) Wheel studs may be replaced with 5/8 inch racing studs. 5/8 on right front is MANDATORY!
4) 1 inch OD lug nuts MANDATORY on all four wheels.
1) Track tire ONLY. Scuff American Racer. E-83′s can be run on all 4 corners or (1) E-84 and (3) E-83′s on the car. E-84 can be run on any side; front or rear. TIRES WILL BE STAMPED AND NUMBERED…
2) Preping and grooving allowed, but not at race track. !!!!!!!!!!!!!!!
NO TIRES ARE TO BE LEFT AT RACE TRACK!!!!!!!!!!!!!!!
SAFETY…..ALL ITEMS LISTED BELOW ARE MANDATORY!
1) Fully charged Fire Extinguisher
2) Racing seat
3) Seatbelts – 5 Point racing harness
4) Drivers window net
5) Minimum of 3 vertical bars in front of driver. Bars must be a minimum of 3/8 inches in diameter.
6) Full face snell approved helmet
7) Fire retardant suit – Must be worn at all times car is on track. Suit must cover arms, legs and body.
Hood must be mounted securely with hood pins
1) Minimum 3200 lbs. after race with driver.
2) All added weight must be painted white and have car number on each weight.
3) Minimum weight for flywheel and clutch with bolts is 32 lbs. Release bearing not included.
4) Added weight must be bolted or welded on. No wire ties or hose clamps!