SECTION - F - 2007

FOUR CYLINDER RULES

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, SunFire; Dodge Daytona; Plymouth/Chrysler Lazer; Mercury: Lynx, Cougar, Capri. Only a complete interchange of body parts. all one make and one type no half Ford & half Chevrolet bodies.. with full floor firewalls, & 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 at least 18 inches high and 3 inch wide excluding borders and silhouettes, 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 that the numbers are legible. Car numbers must be registered with SPEEDROME OFFICIAL. And a competitor may be required to use a different number in order to avoid duplication or Confusion.

F.2. 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) six inch max. non adjustable fabricated spoiler made of aluminum or 1/4

inch clear polycarbonate may be used. Stock type rear spoilers allowed.

F.3.2. The rear spoiler must not be wider than the standard width of the rear quarter panels.

FA. Body must be complete and overall appearance must remain stock (see F.1.) (after market nose and tail pieces allowed.) All glass, except the windshield must be removed. Glass windshields must have four 3inch tabs (2 on top, 2 on bottom and two inner center braces.

FA.1. Windshields may be replaced with polycarbonate /Iexan, must have four 3-inch tabs (2 on top, 2 on bottom and two inner center braces.

FA.2.An approved screen may be used as an alternative to a windshield. Must have two inner center braces. No chicken wire or aluminum screen allowed.

FA.3. Polycarbonate / lexan in front of driver with screen placed in remaining area. (Over all windshield area must shield DRIVER. No chicken wire or aluminum screen allowed.)

F.5. Doors must be welded or securely fastened front and back.

F.5.1. A complete front and rear (engine area & trunk area) firewall between Driver's compartment is required with all holes covered with no less than 20 gauge steel

F.6. BUMPERS Stock type facial or bumper front & rear. No aluminum bumpers. all

.exterior tubing must be round. (after market nose and tail pieces allowed.) Side rails must have maximum of 1 3/4" 0.D. All tubing must be radiused back into and attached to the frame or cage, 18" centers from ground. Valance bars for fuel tank and radiator only not more than 1-1/2" maximum size. Face of front and rear loops must be at least 1/2" behind leading edge of hood and trunk.

F.6A One only external maximum 1 inch nerf bars allowed with no sharp edges. Skin tight to the body located between front and rear wheels and parallel to the ground.

F.7. Front and rear tow hooks MANDATORY.

F.8. CHASSIS: Must have front loop. A complete six (6) point roll cage is mandatory. Installed in a safe, professional manner. 1-1/4" .090 wall steel tubing minimum with three door bars on driver's side and two door bars on passenger side. MUST BE APPROVED BY SPEEDROME OFFICIALS. All roll cage bars with in 18" of the Driver's body, extended arms, legs, head, must be properly padded with approved roll bar padding.

F.8.1. May fabricate frame front & rear using 2x3" tubing from strut tower in front forward & centerline of rear axle to the rear.

F.8.2. Front loop to protect drivers' legs and feet. No sharp pointed objects in driver's area.

F.9. Fuel shutoff must be in reach of right hand of driver and master switch on left hand side of steering column face of dash.

F.10. Racing Fuel cell is MANDATORY. Fuel cell must be mounted in a safe and professional manner. Must have a protection loop behind fuel cell.

F.10.1. Fuel cell must be protected front, bottom, and both sides with minimum 18 gauge steel, minimum 12" from ground.

F.11. Wheel base 103" MAX.

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

F12.1. 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 permitted, T bird A- Arms, axles and body on mustang chassis permitted.

F.13.1. WEIGHT: 2600 Lbs. (Minimum weight with driver after race.) solid lift head

F.13.1A WEIGHT 2550LBS HYD HEAD

F.13.2. Any weight inside drivers compartments must be securely fastened and have a 1/4" minimum steel plate surrounding it from the DRIVER. (MUST BE APPROVED BY SPEEDROME OFFICIALS.)

FOUR CYLINDER- 185 pounds compression limit. Track gauge only.

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

22R.

All engines must be 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 permitted. No portion of the Pistons may protrude above the block deck surface. With the EXCEPTION OF ENGINES THAT ARE FACTORY BUILT WITH PISTONS THAT PROTUDE ABOVE THE DECK SURFACE. NOT TO EXCEED .010 OF FACTORY SETTINGS

F.14.2. Pistons: Flattop or dish only using three 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- 5.7length.

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 OEM manufactured maximum lift .510 measured at valves. Aftermarket cams allowed. No roller cams. Only stock OEM cam followers or rocker arms on push rod motors.

F.14.6. Cylinder Head: OEM 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 have a SPEEDROME claimer form with car number and Drivers name that he or she has a protest against, CASH in the amount of $350.00 and understand that he or she will be removing the cylinder head from their race car/truck for inspection also.

If the cylinder head is found to be legal 75% of the protest fee will be paid to the protested Drive and 25% of the. protest fee will be paid to racetrack. 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 racetrack. (cylinder head will be confiscated)

F.14.7. Intake: Must be OEM as cast, no modifications, carburetor type manifolds only .NO FUEL INJECTED INTAKES ALLOWED.

F.14.8. TIMING Adjustable or multi-key slot timing gears allowed. Modifying stock timing parts allowed.

F.14.9. Oil pan 1" pipe plug installed in oil pan that makes viewing of rods and cranks - possible with engine installed in car. Must pull 1 " plug or pan for inspection.

F.14.10. No high performance ignition or ignition boxes allowed.

F.14.11. NO ELECTRIC FUEL PUMPS ALLOWED

F.15. Carburetor: One only, OEM for engine used, no modifications.

Holley only number 4412

F.15.1. Carburetor adaptor plate only one solid spacer, made of aluminum, maximum 1" permitted Only one solid spacer made of aluminum or pheonolic plastic of a maximum height of one (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 maximum size 1.750 straight bore and match the base of carburetor. No air flow modifications.

F.15.2 Air cleaner: May run aftermarket air cleaners. No air induction plastic carburetor inserts or other devices to direct air into carburetor No Air diffusers are allowed.

F.16. TRANSMISSION AND DRIVE LINE:

F.16.1. Fly Wheel - Stock steel, no aluminum etc.

F.16.2. Clutch must be OEM type only. No lightweight parts. This means clutch disc and pressure plate.

Note: These parts will be checked and weighed at the discretion of SPEEDROME OFFICIALS. FLYWHEEL-CLUTCH-PRESSUREPLATE WILL BE WEIGHED TOGETHER AND MUST WEIGH MIN. 27 LBS.

F.16.3. Transmission must have all gears working at all times.

F.16.4. Drive shaft: steel only, no ultra-light steel drive shafts.

F.16.5 Rear Differential must be locked. No spools or aluminum parts

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

F.16. EXHAUSTS: Proper installation and maintenance is the responsibility of the car owner.

Mandatory spec muffler. One (1) Walker Dyno Max Super Turbo mufflers

(NAPA Model #17763 - 2" or Part #17734 - 2 1/2") mandatory. Part numbers must be visible to inspectors.

Exhaust must exit underneath or behind car. If inside car, must be covered with tin. No side exhausts systems.

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.18. 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.18.1. NO wheel spacers allowed.

F.18.2. Track Tire Only (will be Available at Speedrome) NO RECAPS

F.18.3. BRAKES: Four (4) wheel brakes required. Must be capable of locking and sliding all four (4) wheels. Brakes may be checked at any time.

F.19. SAFETY: 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.

Speedrome JR Must be at least 12 years of age with Parental Consent form signed by both parents or legal guardians. (2007) Must also provide a copy of the Youth Driver's Birth Certificate to be held on file at the CHEMUNG SPEEDROME office.

Youth may race until his/her (17th) seventeenth birthday and finish the season in the speedrome JR Class or move up to a different division