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July 10, 2009
Double Points Race
Pit Gate Opens @ 6pm
Fan Gate Opens @ 7pm
Racing Starts @ 8pm |
Restricted
600 Sprints |
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Restricted Winged 600
Sprint Cars Rules
AGE
REQUIREMENT
-
Drivers 10 – 16 years of age with no exceptions. Certified
copy of birth certificate is required yearly.
- At
his sole discretion, the Race Track Promoter has the
authority to permit an underage driver to participate in
this class.
ROLL
CAGE
-
Roll cages shall be at least 1-inch .062 wall thickness, or
1 1/8 inch .065 wall thickness, or 1 ¼ 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 and 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.
BUMPERS AND NERF
-
Cars 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 designs 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.
ELECTRIC AND ELECTRONICS
- On
and off switches must be on dash, top of the cowl or on
steering wheel.
-
On/off switch must be connected and functional.
- No
two way radio communication is allowed with the driver.
-
RaceCeiver will be mandatory in 2010.
BATTERY
- All
wet cell batteries mounted in the cockpit must be covered
and vented outside the cockpit area.
FUEL
- No
traction control.
- No
telemetry systems.
-
Data logging systems (i.e. Mychron) are OK.
-
Methanol or Ethanol only. Fuel subject to be checked anytime
by officials. NOTE: Fuel samples may be taken for analysis
and prize money may be withheld until results are known.
(Penalty for fuel infraction will result in forfeiture of
all points and moneys won during event detected, and a fine
up to $250.)
- No
performance enhancing fuel additives will be allowed.
- Top
end lubricants are allowed.
-
FUEL BLADDERS ARE HIGHLY RECOMMENDED (bladder or a safety
cell mandatory in 2010)
ENGINE
-
Engine 600cc 4 cylinder 4 stroke as comes on a stock
production bike for public sale in the U.S.A. No current
year production engines.
-
Except as noted, all internal and external engine parts must
remain stock with no modifications, metal removal,
blueprinting.
-
Valve seat inserts may be reworked. Valves must remain as
produced with no modifications.
-
Valve springs may be shimmed with standard or aftermarket
shims.
-
Cylinder head combustion chambers may be cleaned by bead
blasting with valves seated in place. Intake and exhaust
ports may not be bead blasted.
-
Cylinder head gaskets may be replaced only with original
equipment manufacturer’s stock parts (All 3 layers of the
head gasket must be used). All other gaskets may be replaced
with duplicate aftermarket parts.
-
Light cleaning of gasket surfaces with steel wool, Scotch-Brite,
etc. is allowed.
-
Transmission gears may be shimmed only for the purpose of
proper engagement. Standard or aftermarket shims may be
utilized. Aftermarket cam chain tensioner allowed for safety
of motor.
-
Fuel injection engines may run carburetors. Fuel injection
engines running carburetors may change all fuel metering
devices to tune fuel curve, Billet intake boots allowed.
-
Modification of oil pan & pick up allowed or aftermarket ok.
-
Modification to thermostat cover allowed or aftermarket ok.
-
Modifications to water pump Cover allowed or aftermarket ok.
- Any
air box, stock appearing CDI, aftermarket washable
replacement air filter.
- Any
600cc OEM CV carburetors (no flat slides allowed).
-
Restrictor plate must have hole diameter .750 inside,
outside must be tight against inside of boot, absolutely no
allowance, plate must be against carburetors. Restrictors
must be flat, no cones.
-
Wings: 10 square ft. max, left sideboard 24” x 48”, right
sideboard 18” x 48”, nose wing 18” x 24” max.
-
Restricted Micro Sprint 700lbs., including the driver, at
the conclusion of the race. Loss of any bolt-on weight
during competition will disqualify the individual from that
event.
- No
cockpit adjustments of any kind.
CHASSIS SPECS
- Any
micro sprint chassis is allowed, but it must pass any test
prescribed by the safety inspectors.
- The
roll cage must be of a four-post design.
- No
elliptical (oval shaped) tubing used on or as part of the
main frame structure.
-
Minimum wheel-base of 50 inches, maximum wheel-base of 70
inches.
-
Fuel cell securely mounted. Tank used for qualifying heats
must remain for all events.
- No
flammable liquids allowed in cooling systems.
-
Bumpers and nerf bars are mandatory and must be securely
mounted.
- No
aluminum frames, rear bumpers or nerf bars.
-
Aluminum front bumpers are allowed.
-
Nerf bars must not be outside of tires.
-
Steel, aluminum or titanium brake rotors only.
- No
hollow, tubular or drilled out bolts allowed.
- Any
cars with a frame that does not enclose the front axle must
have the front axle tethered with “seat belt” material that
is securely attached.
- The
right side opening of body must be a minimum of 10 inches
vertical at any point.
TIRES
AND WHEELS
-
Right Rear Hoosier Racing Tire, stamped ASCS2/NMMA tire must
test with a durometor 50, all classes.
-
Beadlocks recommended on all wheels.
PROTEST FEES
-
Motor tear down (heads off) and cylinders inspected: $500.
- P &
G fuel test $200.
Other
technical protest: $200 |
