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"A " Class Rules
--2008--
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. Their decision is final.
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-sportsman like 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 12 and up may compete in the "A" 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 nerfing bars. Nerfing 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.) Arm restraints are
mandatory and must be adequately adjusted to keep the drivers hands below the
top of the roll cage. All seats must be bolted in at least two places on the
back of seat and two on the bottom. 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 only GCMMA
approved fuels.
8. Weight. Single cylinder 600cc powered cars; minimum car and
driver weight 675 lbs. 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 is legal, except no cockpit
adjustable shocks on multi cylinder cars.
11. Brakes. Brakes will be of sufficient strength so as to
slide the wheels while the car is in motion
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. Tire durometer check should
be done at least 15 minutes after the races to allow for cool down. NO WHEEL
SENSORS must be disconected.
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. 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
inches 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 be mounted 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 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.
4 cylinder 600cc cars. 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 wings on "A" class cars.
Wing center section must be one piece.
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.
. 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 single cylinder engines larger than
250cc, but not exceeding 600cc, plus .080 overbore. Any modification allowed. 4
cycle multi cylinder engines larger than 250cc, but not exceeding 600cc. A stock
engine 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 valves
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. Crank case ventilation
to atmospheric pressure only 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. Carbs may have metering rods, jets and
springs changed to tune the fuel curve to match our cars requirements. Stock
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. Fuel
injected motor except current year production completely stock as it came off
the bike with pan modification, oil pick up modification, any air box, stock CDI
box, aftermarket washable replacement air filter and NO piggy back ignition.
Allow all stock factory 03 thru 05 fuel injected motors to use M1 methanol.
Power commander module. Stand alone wide band 02 sensor after market injectors
and aftermarket fuel rail. Allow 06/07 motors injected motors on gasoline with
the factory injection and number of injectors with power commander and stand
alone 02 sensor MUST WEIGH 775 lbs. Allow the stock factory 06/07 motors on M1
methanol with stock carburetors’ or the same number of factory aftermarket
injectors and aftermarket fuel rail with power commander MUST WEIGH 850lbs. 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 Multi (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.
The person claiming the motor gets the motor with all covers,
pan, starter, charging system, carburetor boots, water neck, head and valve
cover intact. The person removing the motor will unplug all wiring and unhook
all hoses at the motor. Do not cut wiring or hoses. Any driver, owner or crew
who tries to damage the motor, car or parts of the opposite party while the
motor is being removed for a claim will be considered in violation of GCMMA and
will be subject to fines, suspension, or disqualification as deemed appropriate.
You need to remember that when you sign in at the races each night with a Class
A 600cc four cylinder motor, you are agreeing to have your motor claimed. If
you refuse a claim you will be disqualified for 1 Year. If two people claim
the same motor, the highest finisher of the two would get the motor. When
requesting a motor claim, the $1500 must be presented in cash or certified
check. There is also a $100 claim on the CDI (ignition black box). Absolutely
no personal or company checks will be accepted for claiming purposes.
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