FACTORY STOCK RULES
THIS IS A STOCK CLASS;
ITEMS MUST REMAIN OEM STOCK AS PRODUCED BY THE ORIGINAL MANUFACTURER
EXCEPT FOR THE ITEMS ADDRESSED IN THE FOLLOWING.
Any American made car from 1967 to present. Wheelbase must be
OEM factory stock. No subcompact cars. If chassis is altered or
steering parts (tie rods, etc.) are not stock and in stock location,
its not legal.
Complete bodies and frame for that year model.
Body must look factory stock. (May use sheet metal or aluminum)
All doors must be secured to body.
Enclosed interiors are allowed.
Rear spoilers must be factory. Hood and trunk must be pinned or
have factory hinges.
Must have a complete factory stock floor plan and firewall in
Rear firewall must extend from bottom of rear window to floor
Trunk area may be cut to allow for fuel cell placement.
Seat must remain on drivers side.
Rear fender well must remain in stock location from the factory
shock mount forward. Rear fender well and firewall may be trimmed
for tire clearance.
Bumpers may be square tubing must run inner rub rail minimum
size 1 ½ round tubing on rear bumper.
Roofs must remain stock. (NO CHOP TOPS)
Holes in firewall must be covered with metal or aluminum.
All glass must be removed, including head and taillights. No
rearview mirrors allowed.
NO NERF BARS ALLOWED
Must have factory stock OEM frame front to rear. (May be tied
together) DRIVE SHAFT LOOP OR CHAIN IS MANDATORY. 6 BACK FROM
FRONT U JOINT DRIVE SHAFT AND LOOP MUST BE PAINTED WHITE.
All weights must be painted white and securely fastened with two
½ bolts, to eliminate injury and hazardous conditions. Failure to
have your cars weight securely fastened is grounds for
disqualification or position penalty at the discretion of the tech
official. No weights can be mounted above bottom of window opening.
Factory gauges may be removed. All flammable interior (carpet,
head liner, interior side panel, etc.) must be removed.
Quick steer and steering wheel couplers are allowed. Stock
steering columns allowed.
2. WEIGHT: 3,300 lbs.
3. ENGINE AND DRIVE TRAIN
#1 spark plug must be lined up with or forward of left ball
ANY MANUAL TRANSMISSION MUST HAVE 180 DEGREE EXPLOSION PROOF
STEEL BELL HOUSING OR EXPLOSION PROOF BLANKET.
Engine must be stock production. Factory blocks only. GM to GM,
Ford to Ford, Dodge to Dodge. Flat top or dished cast pistons, NO
domes. No bowtie or aluminum blocks. Casting numbers must be
readable by tech official. No 400 blocks. Maximum cubic inch
displacement to include clearance and wear is 360 for GM, 363 for
Ford, and 370 for Mopar. All others must not exceed 370 CID. NO
STROKING OR DE-STROKING.
INTAKES: Must have stock cast iron intake, two or four barrel.
No bowtie intakes. No porting of the heads or gasket matching of
intake or heads. Intake may NOT be reworked under the carb area.
No aluminum heads, no angle plug heads excluding Ford and Dodge. No
double hump heads for GM. Valves must not exceed IN 1.940 / EX
1.500 all manufacturers.
CARBURETORS: Can be no longer than a Holly #4412 500 CFM 2 barrel
and must pass inspection from top side with gauge. Bottom of carb
can be no longer than 1 11/16 in diameter. (MUST BE STOCK VENTURA
1-3/8) May run Rochester 500 CFM 2 barrel. (Subject to be pulled
off and checked)
Factory OEM style distributors. (GM = HEI) NO MSD distributors,
NO remote coils on GM distributors.
NO onboard electronic devices capable of storing information
allowed with the exception of recall Tachometers.
No aftermarket electronic amplifying devices allowed. NO
Hydraulic camshafts and lifters only, stock rocker arms or roller
tip rocker arms allowed. Cam must be 450 lift at the valve. (NO
EXCEPTIONS) No flat tappet cams or mushroom cams. No roller
Factory Fit Headers allowed. Must be 1 5/8 tubing with 3 at
collector with flange.
Factory stock automatics or standard transmissions. Must have
working clutch. Must use factory stock 10 minimum diameter clutch
and pressure plate. Stock steel OEM flywheels only. No Z-28 or
Iroc flywheels. (NO EXCEPTIONS) (AFTERMARKET CLUTCH PEDAL OK)
Stock type 10 or larger factory torque converters required on
all automatics, temperature reading will be taken to ensure torque
converter is not a dummy. Driver must be able to put car in gear
from park/neutral and move forward and reverse at time of inspection
TIRES, WHEELS, SUSPENSION
Any asphalt pull off, must durometer 55 or greater. Grooving and
siping is allowed
Steel racing wheels only. Maximum width is 10. Right rear bead
lock recommended. ½ thread studs and 1 lug nuts MANDATORY.
All suspension must remain STOCK and in stock location. NO
relocation of mounting points. Springs may be aftermarket. NO use
of chains or other items to limit the suspension travel. NO Weight
Jacks or spring sliders allowed. Rear Springs must use stock upper
spring pads in stock location.
Shocks must mount in stock location and in stock mounts. NO
heims ends. NO RACING SHOCKS.
9 rear ends allowed in all cars. All rear ends must be spooled
or welded. Must be in stock location
PUMP GAS OR RACING GAS ONLY
IF YOU HAVE QUESTIONS, JUST ASK
STOCK MEANS STOCK