Street Stock
COMMUNICATIONS: All competitors must have a RACEceiver 1600 in car radio to compete at the Raceway for the 2008 season. They can be purchased through the Raceway by clicking here or rented for $10 per night with your own economy ear buds.
BODY: Any American manufactured, full frame or unibody steel body, production passenger car with a minimum wheelbase of 106″. No Camaro’s. No rub rails. No rear spoilers of any type. Aftermarket nosepieces allowed. . No glass permitted. No chopping, shortening, sectioning or cutting of body allowed, except to allow for tire clearance. Front inner fender wells may be removed. Rear wheel tubs must remain in place. Trunk area may be cut to allow clearance for fuel cell only. Inner door panels may be removed. All doors must be bolted or welded shut. They must be stock. Patching must be steel material. All exterior chrome, molding, glass, etc. must be removed. Interior of car must be completely stripped of upholstery, glass, chrome, plastic, etc. NO mirrors allowed. The car must remain completely stock floorboards, firewall, frame etc. Rear fire-wall (separating driver compartment from trunk area ) must be complete with all holes patched with steel. A steel hood with hole for air cleaner is allowed. Stock latches must be removed and closed with at least 2 hood pins at front. A 1/4 to 1/2 inch screen or bars are required in front of driver cockpit (both recommended). Bumpers must be stock and mounted securely (reinforcement directly behind bumper is allowed. Stock only replacement bumpers, NO steel pipe bumpers allowed. All cars must be equipped with front and rear tow hooks. They must be strong enough to support weight of car and easily accessible to track officials and wrecker crews. Bodies MUST be neatly painted. Numbers MUST be at least 18″ high and 3″ wide on roof and sides.
FRAME: Must be stock frame end to end, minimum wheelbase of 106″ both sides.
SUSPENSION: No modifying of suspension allowed, THIS MEANS NONE! NO traction devices, torque arms or lift bars of any kind allowed. One stock type shock only per wheel in stock location. One spring (may use racing springs but no coil over) only per wheel, in stock location and no adjustable shims.
ENGINE: Stock OEM cast iron blocks and heads only.NO ANGLE PLUG HEADS. NO aluminum blocks or aftermarket heads of any kind, must have factory casting numbers. No porting or polishing. Stock OEM intake only. Any flat tappet cam, solid or hydraulic, roller rockers tips are allowed, but no roller cams. All cars are required to have mufflers, and must extend past drivers compartment. All cars must have the capability of starting without being pushed or pulled. Stock type ignition systems only, NO magnetos. Aftermarket distributors of stock configuration allowed.
ENGINE PROTEST: Engine being protested must finish in the top 3 positions of the feature event. After the race, present the track tech official $100 in cash marked with the car number to be protested on it. The engine being protested will be fully inspected. If the engine is found to be illegal, the protestor will get $50 refunded to him. If the engine is found legal, the driver who was protested will be re-warded $50. If engine is found to be illegal, you will forfeit all winnings for that night, including points. If you return again that season and are found illegal a 2nd time, you will forfeit all winnings, including points for the season and be barred from competing for at least 2 weeks. Springfield Raceway reserves the right to tear down an engine anytime deemed necessary, whether protested or not.
TRANSMISSION, CLUTCH, BELL HOUSING: Stock OEM type 3 or 4 speed, manual or automatic transmission is allowed. NO aftermarket transmissions allowed. NO direct drives allowed. Automatic transmission must have torque converter. NO mini clutches allowed.
CARBURETION / FUEL SYSTEM: Racing fuel cell extremely recommended. Maximum capacity of 22 gallons. Fuel cells must be in a steel container, mounted behind the rear axle and must be protected by roll cage tubing. Fuel cell must be securely mounted using 2 steel straps, 1/8″ thick and 2″ wide. No part of the fuel cell should be lower than protective tubing. No electric or belt driven fuel pumps allowed, mechanical pump only. NO nitrous oxide allowed. Any 2 or 4-barrel carburetor may be used. No double pumpers, Must be single-line vacuum secondary. No electric fuel pumps or pressure systems. Pump gasoline or racing fuel only, NO alcohol.
WHEELS/TIRES: 8″ steel wheels only, no aluminum wheels. Beadlock wheel may be used on the RR only.Hoosier G-60 or American Racer Modified tires are allowed. DOT Tires are allowed. All four wheels must have same tires. Grooving of tires is allowed. Larger lug studs may be used.
WEIGHT: Must have 47% rear weight percentage.Min. weight 3000 lbs. after race. Lead may be added in front of firewall.
HEADERS: Headers are allowed, with 3″ maximum collector and the pipe aft of driver. No crossovers.
ROLL CAGE: Must consist of continuous hoops not less than 1 1/2″ outside diameter and wall thickness of .095″. Roll cage must be securely supported, braced and welded to frame in at least 4 places. Cage must have a minimum of 4 bars in driver’s door and a minimum of 3 bars is passenger side door of same pipe dimension of main cage. Driver’s head must not protrude above cage with helmet on and in the driver’s seat. Roll cage must be cross-braced. Front and rear hoops are allowed (recommended). NO soldering or brazing allowed MUST BE WELDED. A 1/4″to 1/2″ screen or bars (3 bar min.) are required in front of driver cockpit (both are recommended).
SAFETY EQUIPMENT: Full driver racing suit required any time you are on the track (1 or 2 piece). Snell 90 approved helmet, no motorcycle helmets. Fire extinguisher or fire system must be in all cars. Neck brace/restraints, fire resistant gloves and shoes. Window nets are required. Driver’s seat must be aluminum, minimum thickness of .090″ and securely mounted with at least 4 grade-5, 3/8″ bolts using fenders washers and lock nuts. Batteries CAN NOT be mounted in driver’s compartment. Batteries must be mounted securely and shielded. 5 point racing seat belt system required. Must be mounted securely.
STEERING/BRAKES: In cockpit steering may be modified to driver’s liking but must remain within original bolt pattern of frame used. No rack and pinion steering allowed. Steering quickners are not allowed. All cars must have working brakes on all 4 wheels. Only stock brake system for make and model.
REAR ENDS: Rear ends can be locked. Ford 9″ may be used in all makes of cars, but must use stock suspension in stock location.
SPRINGFIELD RACEWAY RESERVES THE RITE TO CHANGE AND/OR MODIFY THESE RULES AT ANY TIME.
