"Restrictor" Class Rules

The Gulf Coast Modified Midget Association will hereafter be referred to as GCMMA.

The rules set forth herein are designed to provide for the orderly conduct of racing events. These rules shall govern the conditions of all events, and by participating in these events, all participants are deemed to have complied with these rules. These rules are intended as a guide for the conduct of the event and are in no way a guarantee against injury or death to a participant, spectator or official. The referee shall be empowered to permit reasonable deviation from any specification that in his opinion does not alter the acceptable requirements. Any deviation of these rules is left to the discretion of the officials (and or board of Directors). All decisions are final. The current GCMMA rule book (along with the governing board will have) the final authority.

GENERAL RULES

1. GCMMA Race Rules shall apply at all GCMMA sanctioned events.

2. Track officials shall have responsibility for rules and regulation enforcement at GCMMA sanctioned events. At the discretion of track officials, any competitor may be disqualified for rule violations or hazardous equipment or hazardous actions.

3. All GCMMA vehicles are subject to be inspected at any time.

4. Approval of a GCMMA vehicle by the inspector shall mean only that the vehicle is approved for participation in a competitive event and shall not be construed in any way to mean the inspected GCMMA vehicle is guaranteed mechanically sound. Be it further declared that the inspector shall not be liable, nor shall the Sanctioning Body, for any mechanical failure, nor for any losses or injuries resulting from same.

5. Any un-sportsmanlike conduct by drivers, owners and/or pit crews shall be grounds for disqualification and/or punitive action by the Sanctioning Body. Drivers are responsible for the conduct and actions of their pit crews.

6. Absolutely NO alcoholic beverages will be consumed by drivers and/ or pit crews prior to, or while competing in, a GCMMA Sanctioned event. Use, distribution or sale of illegal drugs at any time shall be cause for immediate, indefinite suspension.

SPECIFIC RULES

1. Age. Drivers age 10 (age 9 may be approved by the board with prior driving experience and does include a competency test by the board and or track officials) and up may compete in the "R" Class

2. Roll cage. Roll cages shall be at least 1 inch .062 wall thickness, or 1 1/8 inch .065 wall thickness, or 1 1/4 inch .065 wall thickness. Roll cage shall be made of chromoly steel or equivalent material. The front section of the cage shall be no further back than the steering wheel. Roll cage shall have sufficient fore and aft bracing and strength to support the weight of the car & driver in case of an upset. Cage shall have gussets at the intersecting bars to the uprights. Bends must have at least 3 inch radius. No square or pointed corners allowed. Roll cage must be a minimum of 3 inches above the driver’s helmet. It is mandatory to install a cross brace behind the seat to support the shoulder harness.

3. Bumpers and Nerfs. Car must have bumper extending beyond the front and rear tires. Nothing may extend beyond a tangent line from the outside edge of the tires to the bumpers. Nothing may extend beyond the outside edge or the tires or wheels, whichever is the widest. No sharp corners or design as to hook or damage. All cars must be equipped with nerf bars. Nerf bars must extend to inside edge of tires, but not beyond the outside of tire.

4. Safety. Seat belts must be securely attached to the car and used at all times. Metal to metal latches only. 5 point seat belts, shoulder harness and sub strap are required. Belt dates must not be over three years old. (Example: Oct 99 may be used in 2000, 2001 and 2002.) All seats must be bolted in at least two places on the back of seat and two on the bottom. Arm restraints are mandatory and must be adequately adjusted to keep the drivers hands below the top of the roll cage. Helmets must be full head coverage competition type and one of the three latest SNELL approvals. All drivers will wear a name brand flame-retardant uniform. Neck braces or cage nets are mandatory. SFI gloves are mandatory for safety.

5. Electric's and Electronics. On and off switches must be on dash, top of the cowl or on steering wheel and clearly marked ON-Off. On/off switch must be connected and functional. No radio communication is allowed with the car or the driver.

6. Battery. All wet cell batteries mounted in the cockpit must be covered and vented outside the cockpit area.

7. Fuel. Class "A" 600cc powered cars may run GCMMA approved fuels.

8. Weight. 4 cylinder 600cc powered cars, minimum car and driver weight 750 lbs.

9. Suspension. Tread; Maximum 50 inches. Minimum 32 inches, center to center of tires.

Wheelbase; Maximum 70 inches. Minimum 50 inches, center of front axle to center of rear axle. Steering; Front wheels must be connected by a solid or tubular tie rod. Rear wheel drive only. All suspension bolts except wheel nuts must be secured by some type of locking device.

10. Shocks. Any shock absorber legal, except no cockpit adjustable shocks.

11. Brakes. Brakes will be of sufficient strength so as to slide the wheels while the car is in motion at any given time.

12. Tires and Wheels. All cars; Any wheel size and tire combination may be used, but tires may not exceed 22 1/2 inches in height. Wheels must be held on with 4 or more standard lug nuts or knock-off hubs. 4 cylinder 600cc cars only; Right rear tire must be a minimum 50 durometer compound Hoosier or American Racer (McCreary) tire. Right rear tire may be regrooved to original manufacture; otherwise, no siping, grooving or cutting. Tire must be run as delivered from manufacturer. Tire durometer check should be done at least 15 minutes after the races to allow for cool down. NO WHEEL SENSORS.

13. Bodies. All cars must have complete bodies. Tail sections must be in place for time trials and all races. There must be a metal firewall between driver and engine, made of 24 gauge steel or .0625" aluminum. Body of car must be made of aluminum, metal, fiberglass or high impact plastic. All cars must be painted an attractive color or colors. No rear view mirrors. The only part of the car allowed to be dismantled for driver to enter or exit is a quick release steering wheel hub. The minimum opening on the right side of the car will be 14” from the top of the roll cage to the top of the mud guard or sissy bar and 16” minimum from the front down tube to the back. All mechanically operated devices must be mounted below the driver’s shoulders for safety. No mechanical, electrical or hydraulic adjustments will be allowed in the cockpit area on multi cylinder cars. All fuel tanks must be equipped with a one-way check valve designed to prevent the spillage of fuel from the fuel tank vent in the event of a rollover.

14. Transmission. Four cylinder motors must have transmission with all stock gears in working order. Any car equipped with a shifting mechanism must have this device mounted in the driver’s compartment. Shift levers may mount outside the driver’s compartment on opposite side of car from the chain drive. Chain guards will be made of .090 inch thick aluminum or equivalent and will run on top of chain from the front of the front sprocket to the center of the rear axle. Driver must not be able to touch the chain or sprockets while sitting in the cockpit.

15. Wings. Right side board, maximum 48" x 18". Left side board, 48" x 24". The wing cannot be mounted outside the rear tires. Side boards may not extend more than 3" beyond center section and sides must cover center section. Wings must be mounted parallel with cage and no offset side boards. All wings must have 1/16" radius edges or edging. No raw edges. No wood except for ribs or spars inside center section. Wings sides cannot be more than 4" below top of roll cage. Nose wings cannot exceed 18"x 24", and must carry car number. Top wings are mandatory to enter a night's event. Cars may finish without a wing if no replacement is available. Cars must run a 10 square-foot fixed wing positioned no further back than the back of the roll cage. The measurement for the wing placement will be taken from the back edge of the center section of the wing, not the sideboards. That point is to be no further back that the rear of the roll cage behind the drivers head. Roll cage cannot be altered too change this point. No cockpit adjustable wings. No split or multi-staged nose or top. Wing center section must be one piece. No multi stage top or nose wings.

16. Numbers. All cars must have legible numbers painted in contrasting colors on both sides of car and the nose. Minimum height of numbers is 8" on the nose and nose wing, 10" on each side of the tail and 12" on the wing. Numbers must be separated from advertising so they will be readable. No gold or silver leaf or prismatic numbers will be allowed on the cars. Must have a 12" number on top of the wing facing the front of the car.

17. License. All drivers, when signing in for any GCMMA race, must show their current GCMMA membership card or receipt to the Registration Steward.

18. Ballast. Any material used for ballast must be firmly attached as a part of the car's structure. No liquid or loose ballast such as water, fuel, oil, sand bags, rocks, log chains etc. allowed.

19. Engine Rules. 4 cycle multi cylinder engines larger than 250cc, but not exceeding 600cc. Stock engines as the motor was run on the motorcycle with the charging unit. Valve jobs will be allowed as long as they are in manufacturers tolerances. Stock vales must be retained. No engine work ( no ported heads, no lightened cranks, no cam degreeing, no lightened pistons, and no head cleanup.) Stock pistons only. Any air cleaner will be allowed. Any exhaust will be allowed. Rods, pistons, cams etc. must be stock parts as used on the motorcycle the motor came from. Carburetors must be the same make and model as the motor, i.e. Honda F2 carbs on a Honda F2 Motor and Honda F3 carbs on a Honda F3 Motor etc. No fuel injection, even if the motor comes stock from the factory with injection. Carburetors only with a ¾” restrictor under each car boot. Carbs may have metering rods, jets and springs changed to tune the fuel curve to match our cars requirements. Any stock appearing black box with “out” external adjustments must be same engine make. Aftermarket timing advancers are illegal. Cam gears that are redrilled, slotted or altered are illegal. Internal charging systems components must remain in the motor. Any sprocket (520 or 530) will be allowed.

20. Engine Claiming Rules. 4 cylinder 600cc cars only. There will be a $1500.00 "A" Main (motor only). Claim on the first three finishers by the 10th finisher forward. If your motor is claimed, you will retain the complete exhaust system including the exhaust nuts, the carburetors and air cleaners, the coils and spark plug wires, the CDI (black box), the voltage regulator and the wiring down to where it plugs into the motor or into the connectors coming from the motor, the shift lever, the chain drive sprocket & bolt, plus all of the plates, bolts etc. required to mount the motor.