Questions?
Contact Track Owners
Bob Stapleton 
@ (607)857-4843 cell
ncs5299998@aol.com or 
John White
@ (631)745-9805

ANYTHING NOT COVERED BY THE FOLLOWING RULES MUST BE CHECKED WITH SPEEDROME OFFICIALS BEFORE PROCEEDING. 

Four Cylinder Stock & 4- Cylinder Youth (Speedrome Jr.) classes 

F. 1. CHASSIS AND BODY: Open to Four Cylinder front engine sedan, subcompact or compact two door cars:      

Toyota: Supra      

Ford: Mustang, Escort, Probe, Thunderbird (trimmed two inches); Pinto      

Chevrolet: Chevette, Beretta, Cavalier, Camaro, Monte Carlo, Corsica      

Pontiac: Grand Am, Grand Prix, Sunbird, Sun Fire      

Dodge: Daytona      

Plymouth/Chrysler: Lazer       

Mercury: Lynx, Cougar, Capri. 

Only a complete interchange of body parts is allowed (All one make and one type) no half Ford & half Chevrolet bodies. Cars must have full floor firewalls and inner fenders. Trunks maybe modified to allow for fuel cell. NO convertibles, two seat sport cars, four-wheel drive, independent suspension or front wheel drives allowed. 

F. 1. 2. APPEARANCE: All cars must be neatly painted and professionally lettered. Dark cars are not recommended. Numbers, (NO LETTERS) from 00 to 99 must be at least 18 inches high and 3 inches wide excluding borders and silhouettes. Numbers must be neatly attached or painted on both sides of car/truck on center of doors and on roof, reading from the passenger side. Two digit numbers must not overlap. SPEEDROME OFFICIALS DETERMINE if the numbers are legible. Car numbers must be registered with SPEEDROME OFFICIALS. A competitor may be required to use a different number in order to avoid duplication or confusion. 

F. 2. HOODS: NO hood scoops. NO holes in hood. NO openings. 

F. 3. REAR SPOILERS: All rear spoilers must be approved by SPEEDROME OFFICIALS. 

F. 3. 1. A 6 inch max non adjustable fabricated spoiler made of aluminum or ¼ inch clear polycarbonate may be used. Stock type rear spoilers are also allowed. 

F. 3. 2. The rear spoiler must not be wider than the standard width of the rear quarter panels. 

F. 4. GLASS/WINDSHEILDS: The body must be complete and the overall appearance must remain stock (see F. 1.) After market noses and tail pieces are allowed. All glass, except the windshield must be removed. Glass windshields must have four 3 inch tabs (2 on top, 2 on bottom and 2 inner center braces.) 

F. 4. 1. Windshields may be replaced with polycarbonate/Iexan, they must have four 3 inch tabs (2 on top, 2 on bottom and 2 inner center braces.) 

F. 4. 2. A screen, APPROVED BY SPEEDROME OFFICIALS, may be used as an alternative to a windshield, and must have 2 inner center braces. NO chicken wire or aluminum screen allowed. 

F. 4. 3. Polycarbonate/Lexan may be used in front of the driver with screen placed in remaining area. The overall windshield area must shield the DRIVER. NO chicken wire or aluminum screening is allowed. 

F. 5. DOORS/FIREWALLS: Doors must be welded or securely fastened in the front and back. 

F. 5. 1. A complete firewall between the Driver’s compartment, front and rear (engine area & trunk area) of  the car is required; all holes should be covered with no less than 20 gauge steel. 

F. 6. BUMPERS: Stock type facial or bumper (front & rear) are allowed, NO aluminum bumpers. All exterior tubing must be round. After market noses and tail pieces are allowed. Side rails must have maximum of 1¾” O.D. All tubing must be looped back into and attached to the frame or cage, 18 inches from the ground. Valance bars are allowed for fuel tanks and radiators only, not more than 1 – ½” maximum size. Face of front and rear loops must be at least ½” behind leading edge of hood and trunk. 

F. 6. 1. Only 1 external nerf bar is allowed, maximum 1 inch, with no sharp edges. They must be skin tight to the body and located between front and rear wheels, parallel to the ground. 

F. 7. TOW HOOKS: Front and rear tow hooks are MANDATORY. 

F. 8. CHASSIS: Chassis must have a front loop. A complete 6 point roll cage is mandatory. Installed in a safe, professional manner; 1 – ¼” .090 wall steel tubing (minimum) with 3 door bars on driver’s side and 2 door bars on passenger side. THEY MUST BE APPROVED BY SPEEDROME OFFICIALS. All roll cage bars with in 18” of Driver’s body; (extended arms, legs, and head) must be properly padded with approved roll bar padding. 

F. 8. 1. Fabrication of frame front & rear using 2x3” tubing from strut tower in front forward & centerline of rear axle to the rear is allowed. 

F. 8. 2. A front loop is required to protect driver’s legs and feet. NO sharp pointed objects in driver’s area. 

F. 9. FUEL SHUTOFF/MASTER SWITCH: A fuel shutoff must be in reach of the driver’s right hand. A master switch must be in reach of the driver on the left hand side of the steering column on the face of the dash. 

F. 10. FUEL CELL: A Racing Fuel cell is MANDATORY. Fuel cell must be mounted in a safe and professional manner. There must be a protection loop behind the fuel cell. 

F. 10. 1. Fuel cell must be protected; front, bottom, and both sides with minimum 18 gauge steel, minimum 12 inches from the ground. 

F. 11. WHEEL BASE: Wheel base 103” MAX. 

F. 12. SUSPENSION: Cars must have a stock suspension. RACING SPRINGS ALLOWED, CUPS ALLOWED IN FRONT ONLY, BUT MUST BE WELDED. STRUTS AND SHOCKS MUST BE STOCK. 

F. 12. 1. All front control arms & rear trailing arm pivot points must be in stock position AND STOCK LENGTH STEEL BUSHINGS ALLOWED. 

F. 12. 2. All cross members must be in stock position, NO slotting of holes or repositioning of cross members to alter the wheel base or change angle of control arms & trailing arms. 

F. 12. 3. FORD T-BIRD Chassis allowed, T-Bird A-Arms, axles and body on mustang chassis allowed. 

F. 13. WEIGHT: 2600 LBS (Minimum weight with driver after race.) solid lift head. 

F. 13. 1. A WEIGHT 2550 LBS HYD HEAD 

F. 13. 2. Any weight inside drivers compartments must be securely fastened and have a ¼” minimum steel plate surrounding it from the driver. SPEEDROME OFFICIALS MUST APPROVE.

FOUR CYLINDER –  185 pounds compression limit. Track gauge will be final.  
 

F. 14. ENGINE: Engine must remain stock as manufactured – 2300 CC Ford or Toyota 22R.      

All engines must have standard production heads and blocks. 

F. 14. 1. ENGINE BLOCK: Standard production only with a maximum 0.060 overbore. Block deck milling and align honing allowed. NO portion of the Pistons may protrude above the block deck surface. With the EXCEPTION of engines that are factory built with pistons that protrude above the deck surface. Not to exceed .010 of factory settings. 

F. 14. 2. PISTIONS: Flattop or dish pistons only using 3 ring in place. NO lightweight piston or piston pins. 

F. 14. 3. CONNECTING RODS: O.E.M. rods or after market forged I beam 5.2 - 5.7 length. 

F. 14. 4. CRANKSHAFT: Stock stroke crankshafts only, NO lightweight, cut down, or narrowed crankshafts allowed. NO knife edging, NO drilling to lighten before balancing, NO polishing of counter weights. 

F. 14. 5. CAMSHAFT: Hydraulic or solid lifter cams only as O.E.M. manufactured maximum lift .510 measured at valves. Aftermarket cams allowed. NO roller cams. Only stock O.E.M. cam followers or rocker arms on push rod motors are allowed. 

F. 14. 6. CYLINDER HEAD: O.E.M. manufactured cylinder heads only. Stock or Stock replacement valves, 1.830 (Max Intake) 1.590 (Exhaust Max), springs, retainers & lock NO acid porting or polishing, NO hand grinding NO exterior or interior coating, epoxy or welding. 

F. 14. 6. 1. CYLINDER HEAD CLAIMER. PROTEST PROCEDURE. Before the feature event starts a DRIVER must complete a SPEEDROME claimer form with car number and Driver’s name that he or she has a protest against, CASH in the amount of $350.00, and the understanding that he or she will be removing the cylinder head from their race car/truck for inspection as well. 

If the cylinder head is found to be legal 75% of the protest fee will be paid to the protested Driver and 25% of the protest fee will be paid to the race track.  

If, after tear down, the cylinder head is found to be illegal 75% of the protest fee will be returned to the protesting Driver and 25% of the protest fee will be paid to the race track. (Cylinder head will be confiscated.) 

F. 14. 7. INTAKE: The intake must be O.E.M. as cast, no modifications, carburetor type manifolds only. NO FUEL INJECTED INTAKES ALLOWED. 

F. 14. 8. TIMING: Adjustable or multi-key slot timing gears are allowed. Modifying stock timing parts are allowed. 

F. 14. 9. OIL PAN: If a 1 inch pipe plug is installed in an oil pan that makes viewing of rods and cranks impossible with engine installed in car the 1 inch plug or pan must be pulled for inspection. 

F. 14. 10. IGNITION: NO high performance ignition or ignition boxes allowed. 

F. 14. 11. FUEL PUMP: NO electric fuel pumps allowed. 

F. 15. CARBURETOR: Only 1, O.E.M. for engine used, no modifications allowed. Holley only, number 4412 

F. 15. 1. Carburetor adaptor plate only 1 solid spacer, made of aluminum, maximum 1inch permitted only 1 solid spacer made of aluminum or pheonolic plastic of a maximum height of 1 inch permitted. Only one .075 (maximum) gasket per side. NO wedge shaped mounting surfaces, both top and bottom surfaces must be parallel. Spacer must have 2 holes 1.750 (maximum size) straight bore and match the base of carburetor. No air flow modifications. 

F. 15. 2. AIR CLEANER: Aftermarket air cleaners are allowed. NO air induction plastic carburetor inserts or other devices to direct air into carburetor NO air diffusers are allowed. 

F. 16. TRANMISSION AND DRIVE LINE: Fly wheel must be stock steel, NO aluminum, etc. 

F. 16. 1. Clutch must be O.E. M. type only. NO light weight parts; this means clutch disc and pressure plate. 

NOTES: These parts will be checked and weighed at the discretion of SPEEDROME OFFICALS.  

NEW FOR 2010: There must be a hole 1^1/2 to 1^3/4 above the starter over the flywheel.

Flywheel, Clutch, and Pressure plate will be weighed together and must weigh a minimum of .27lbs. 

F. 16. 2. Transmissions must have all gears working at all times. 

F. 16. 3. The drive shaft should be steel only, NO ultra-light steel drive shafts allowed. 

F. 16. 4. Rear Differential must be locked. NO spools or aluminum parts. 

F. 17. BATTERY: Any battery inside driver’s compartment must be in a Marine-type container, and a master switch must be placed on the left hand side of steering column on the face of the dash. 

F. 18. EXHAUSTS: Proper installation and maintenance is the responsibility of the car owner. Mandatory, spec muffler 1 Walker Dyno Max Super Turbo mufflers, (NAPA Model # 17763 – 2” or Part #17734 – 2 ½”) Part numbers must be visible to inspectors. 

Exhaust must exit underneath or behind the car. If inside the car it must be covered with tin. NO side exhaust systems allowed. 

These mufflers, properly maintained, will produce a 95-decibel reading or less, measured at the flag stand or infield. Any car with loose exhaust, lost muffler, or leak, etc. that creates over a 95 decibel reading during any racing event may be disqualified and black flagged until the exhaust problem is corrected to meet the 95 decibel reading. Any driver not abiding by this rule may result in a fine, loss of points, and loss of point monies. Track decibel meter reading will be final. This rule is made to protect the drivers, crews and spectators from hearing loss and preserve the sport of racing now and into the future. Also any non-racing oval muffler of equal or less cost of spec muffler not to exceed 95 decibel will be allowed. 

HEADER/Exhaust manifolds stock cast iron or RANGER HEADERS ONLY 

F. 19. WHEELS, TIRES, AND BRAKES: Stock reinforced steel wheels or approved steel wheels. NO light weight racing wheels 8-inch wheel width maximum. 

Must maintain 74 INCHES FROM OUTSIDE TO OUTSIDE OF SIDEWALL. 

F. 19. 1. NO wheel spacers allowed. 

F. 19. 2. Track Tires Only (Will be available at SPEEDROME) NO RECAPS 

F. 19. 3. BRAKES: Four wheel brakes are required. Brakes must be capable of locking and sliding all 4 wheels. Brakes may be checked at any time. 

F. 20. SAFETY: Drivers must use aluminum high back racing seat or racing seat with padded headrest that is securely fastened. Must have 5-point racing seat belt harness, no more than 5 years old, securely fastened with bolts. Neck brace is mandatory for SPEEDROME JR’s. 

WEIGHT: for Youth (SPEEDROME JR.) Class is 2450 minimum weight with driver after race.