FACTORY STOCK RULES
THOSE ITEMS NOT ADDRESSED IN THE FOLLOWING MUST REMAIN STOCK AS
PRODUCED BY THE ORIGINAL MANUFACTURER
This is a stock class: Items must remain OEM
stock as produced by the original manufacturer except for the items
addressed in the following.
1. BODY 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,
it's not legal Complete bodies and frame that year model Body must
look factory stock. (May use sheet metal or aluminum) All doors must
be secured to the 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 pan and
firewall in stock location. Rear firewall must extend from bottom of
rear window to floor pan.
Trunk area may be cut to allow for fuel cell placement. Seat must
remain on driver’s 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
1/2'' 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 tail lights. No rearview
mirrors allowed. No nurf 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 1/2'' 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 joint. 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. 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 STROCKING OR DESTROKING.
Intakes: Aluminum or cast intakes allowed single or dual plane
allowed. NO AIR GAP INTAKES or sheet metal 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/vortec 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 performance modules. Hydraulic cam
shaft and lifters only, stock rocker arms or roller tip rocker arms
allowed. Cam must be 480 lift at the valve NO EXCEPTIONS! No flat
tappet cams or mushroom cams. No Roller Hydraulic cams.
Headers allowed. Factory stock automatic or standard transmissions
must have working clutch. Must use factory stock 10'' minimum
diameter clutch and pressure plate. Stock steel OEM flywheels only
(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/neural and move forward and reverse at time of inspection.
Tires, Wheels, Suspension
Any asphalt pull off, must durometer 55 or greater after race.
Grooving and siping is allowed.
Steel racing wheels only. Maximum width is 10". Right rear bead lock
recommended. 1/2" 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 Heims
ends allowed. 9" rear ends allowed in all cars. All rear ends must
be spooled or welded. Must be in stock location. (Floater Allowed)
Pump gas or racing gas only.
(If you have questions just ask)
Stock means stock
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