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General Specifications For All Classes
Appearance - We expect all participants to take pride in
being a part of our racing presentation. No wrecked, rusted out,
loose bodies, unpainted or poorly painted cars will be permitted
entry. Cars that, in the opinion of officials, detract from the
show by their appearances will be denied entry until they are
Paint and Numbers - All cars must be neatly and brightly
painted and shall be freshly washed when signed in at each race
meet. Bright or light colors are recommended for all cars. Dark
colored cars are often difficult to see at night and may
constitute a safety hazard. Officials may require dark colored
cars to add a contrasting color to improve their visibility.
Numbers must be on both sides and on roof in legible form. Car
number must be clearly marked on both sides of car: 24 high and
3 wide, and must also have car number on roof at least 18 high
and 3 wide. Number must also be on back of the car.
Exhaust - Stock-style. Any car deemed by officials to be
too loud will not be allowed to run. Muffler must be
unaltered and securely fastened. Muffler must be in
place at the end of the race or the driver will be disqualified.
Cooling System - Any type cooling system allowed and must
remain in front of engine fire wall with at least one gallon
unbreakable catch-can. Positively no leakage of water, oil, gas
or any other substance.
Steering - Heavy-duty steering parts recommended with
proper reinforcement to tie rod, drag links and component parts.
Transmission - Drive shaft must have front and rear full
circle steel hoops, no less than 1 1/2 wide and 1/4 thick,
securely fastened to prevent shaft from dropping. Every car must
be able to engage one forward and one reverse gear without
shutting off motor.
Clutch - All cars must have clutch and 360 degree scatter
shield around flywheel and clutch area or min. 3/8 thick steel
or 1 approved aluminum, or other approved type shield.
Starters - All cars must be self-starting.
Roll Bars - Steel roll bars are compulsory. Aluminum and
other soft metals are not permitted. Front and rear roll bars
must be connected at top (cage type) and bottom on both sides at
seat height. Side roll bars are compulsory and must extend into
door panels (min of four on left side and two on right side)
with additional support on the back of the roll bar. Left door
bars must be convex in shape with some arch. Roll bars must be
welded and not less than 1.5 inches in outside diameter and
walls must not be less than .090 inches thick. No pipefittings
allowed. All welds must have steel gusset plates of no less than
.125 of an inch thickness and gussets must have at least 6
inches of weld. Bilateral support required on inside top of roll
cage. Supplemental side bars may be added to uni-body
construction. Recommended rectangular tubing. Sufficient padding
for driver compartment required, including padded headrest and
Tow Hooks - Each car has the responsibility to provide
access permitting tow truck hookup. Pickup hook or chain
mandatory, front and rear.
Air Jacks None permitted.
Doors - Must be bolted, welded or strapped shut with
approved metal fasteners.
Hood & Trunk - Any car using 1/2 hardware cloth as a
windshield must have a hood securely attached at all times. Hood
& trunk must be attached with approved quick release hood pins.
Floors - All floors must be complete and free from holes.
Windows - All glass must be removed with the exception of
the windshield, which is optional. Full width windshield in
original position is compulsory in all divisions. Safety glass
or comparable plexi-glass acceptable. Windshield safety clips
(3 x 1/8) must be installed. 2 clips bolted to the top of car
extending beyond outer edge on windshield and 2 clips bolted to
bottom of windshield a min. of 12 inches apart. 1/2 hardware
cloth also acceptable as a windshield. Drivers compartment is
to be completely separated from the engine and gas tank
compartment. Firewall (front and rear including top shelf) must
be made of a min. of 20-gauge sheet metal or similar substance
welded or riveted in place. No oil coolers or cooling system
components in drivers compartment.
Fuel Tank - Single approved fuel cell required with max.
Capacity of 32 gallons. Fuel cells are mandatory for all
divisions. Fuel cell must be installed as far forward as
possible in trunk compartment. A rounded pan of 20-gauge steel
is mandatory when fuel cell container hangs down below frame
rails. Pan may be attached to frame rails only and extend under
the fuel cell container but not beyond rear frame cross member.
Bottom of fuel cell must be at least height of bottom of axle
tubing or have a min. ground clearance of 10.
Fuel Pumps No electric fuel pumps allowed.
Fire Extinguishers - All cars must carry approved 2 3/4
lb. dry chemical fire extinguishers with pressure gauge or
approved measuring device, mounted securely to car and
accessible to driver in case of emergency. Pit crew must have
additional fire extinguishers capable of putting out fuel and
oil fires with a five pound minimum ABC classification.
Seat - Seat is to be one-piece bucket type construction.
Must have aluminum or carbon fiber racing seat.
Recommend rectangular tubing, securely attached to frame and
roll cage, and be completely to the left of centerline of car.
All seat cushions must be securely fastened.
Seat Belt and Shoulder Harness - Quick release 3 nylon
lap-type belt and shoulder harness are compulsory and must be
fastened in a safe and secure manner. Manufactured vertical
support belts are mandatory. Belts must be less than six years
Mirrors - None allowed.
Electrical Disconnect - All cars must have a positive
electrical power cut-off installed on the left side of the car
within reach of the driver with the OFF position clearly
indicated. If an alternator and or magneto is used, an
additional engine kill switch must be installed with the
electrical disconnect clearly marked.
Battery - All wet cell batteries must be securely mounted
and may not be located in the driver compartments. Metal battery
hold down straps are required. A battery box and fuel cell must
be used if battery is allowed to be located in fuel tank area.
Window Net - Approved quick-release window nets mandatory
on left side. These must work freely with no obstacles in the
way. Easy escape is a must.
Protective Clothing - Approved fire retardant uniforms,
gloves and helmets are mandatory for drivers and are the
responsibility of the drivers in all classes.
Helmets - Helmets are required and must be Snell SA95.
Alcoholic Beverages - Are prohibited. All drivers are
subject to breath analyzer test at any time.
Tires - No pre-race heating of tires permitted.
Brakes - Four-wheel brakes mandatory. All brakes must be
in working condition.
Weight Shifting - No mechanical or hydraulic devices for
shifting weight will be permitted inside of drivers compartment.
No hydraulic weight-shifting device is permitted at any time.
Radios One-Way Radios required in all classes.