Notice: All components are subject to inspection and approval of Track Officials. IF YOU HAVE ANY QUESTIONS ABOUT RULES, CALL BEFORE BUILDING CAR.

DRIVER RESTRAINT

1. Aluminum racing seat is required, with rib supports is recommended. Seats must be securely mounted to chassis, not floor pan, with a minimum of four 3/8" bolts. Seat may not be positioned further back than doorpost.

2. 5 point safety harnesses are required. Required S.F.I. tag must be legible. Must be bolted to the roll cage and frame with a minimum bolt size of ½ inch bolts.

3. A window net is mandatory.

4. All helmets must be a full face, current Snell 90 or newer sticker in it. Snell SA90 & SA00 legal.

5. All drivers are required to wear a driving suit. No nomex coveralls will be allowed. Neck brace is mandatory for drivers. Driving gloves and driving shoes are required.

WEIGHT

Minimum weight will be 2000 lbs with driver after race.

BATTERY

Battery must be securely mounted inside of frame rails and covered if inside driver’s compartment. No mirrors allowed.

ELIGIBLE MODELS

Any compact car or mini-pickups originally produced with a four-cylinder motor.

CHASSIS

Front firewall, rear firewall on V.W. and floor pan must remain stock. Uni-body may be tied together with tubing only in conjunction with stock uni-body parts. Stock wheelbase for chassis used.

BODY

Stock OEM or aluminum body. All flammable material must be removed. Cutting of inner panels, doors, hood, trunk lid and forward of front firewall and from front of fender wells back allowed. Stock bumpers or tubing bumpers allowed. ALL BUMPERS SHALL BE INSPECTED FOR SHARP EDGES. Wrecker loops or lift cables required front and rear. Nerf bars allowed but must not extend past tires outside edge. Radiator must be inside frame rails and isolated from driver. Full firewall, minimum .040" metal, must be installed to cover fuel cell and any other open areas. Spoilers allowed maximum 7" tall and width of rear deck, .090" aluminum. No brackets or braces allowed. Front nosepiece is allowed.

ENGINE

Any four-cylinder engine that came as standard equipment in cars eligible. No rotary or twin cams. No super or turbo chargers. No fuel injection. Maximum 2500 cc bored .040" over plus clearance. Stock stroke OEM crankshaft and rods. No lightening of crankshaft or rods allowed. Rods may be polished and shot pinged and micro grinding of crankshaft for reliability are allowed. Race cams and kits allowed (no rollers). OEM heads only. No porting, port matching, polishing, coating or acid porting. Heads may be milled. Oversized valves ok. Bowls may be cut using piloted bowl hog only. Oil pans and pickups may be modified for better lubrication. Headers are optional. Any after market intake manifold with any two-barrel carburetor. Maximum legal rod length is 5.7. Must maintain stock valve stem diameter of 11/32.

RUNNING GEAR

Transmissions may be interchanged between makes. Automatic transmissions must have working torque converter. No aluminum flywheels. Steel flywheels only. Clutch and pressure plate must be stock for make of engine used. Drive shaft must have loop six inches behind front "u" joint. Drive shafts to be painted white.

Rear end may be locked and interchanged between makes of cars that are eligible.

SUSPENSION

Stock upper and lower control arms must be used, but may be shortened or lengthened for camber adjustment and top of struts may be moved for adjustment. Shocks and mounts are optional, only one shock per wheel. Struts may be deadened by drilling a hole and draining the fluid and an outboard shock mounted. Strings are optional but must be same style and size as in car, (coils in coils and leafs in leafs) no coil-over, coil-over eliminators. Sliders are ok. Sway bars allowed but adjustable one end only. Jack bolts allowed. Panard bar may be used if OEM for make and model bolted in original location. Wheelbase must remain stock for chassis used. Upper and lower trailing arms must be stock and unaltered.

WHEEL AND TIRE

Steel wheels can be maximum 8" bead to bead. Beadlocks allowed. Hoosier Dirt Boss DOT and American Racier DOT tires only. Tires must be medium or hard compound only. No softer than 45 durometer.

FUEL AND FUEL TANK

Fuel cell must be securely mounted in trunk of car between frame rails. A protective loop around fuel cell is mandatory. All cars must have a metal fuel cell with maximum capacity of 12 gallons.

Minimum .040" metal firewall is required between driver and tank.

Gasoline without additives and racing fuel allowed.

ROLL BARS

Roll bars are mandatory. Roll bars must be complete cage type with at least three side bars on left side, two side bars on right side and at least two vertical bars must be between all side bars. There must be two bars diagonally from the top rear main hoop to the rear frame rails. Front frame section hoops mandatory. All welds must be gusseted. Bars must be minimum 1 1/4" OD steel of minimum .095" wall thickness. Uni-body must have a plate 3/16" X 6" steel installed on floor pan or steel angle 1½"X 1 ½"X 1/8" thick installed down sides of driver’s compartment before welding cage into place.

Paneling may be removed for roll bar installation. The important consideration is that the load be distributed over as large an area as possible.

*** General Rules for Track also apply to this class. ***