PURE STOCK RULES
1. Roll cages
are required. No screw joint fittings allowed. The minimum
requirement for all roll cages on all cars shall be an "A" shaped
affair, constructed of at least 1 1⁄2" OD pipe with bars running
from the upper right corner to the lower left corner, and just the
opposite on the other side, forming an "X" as viewed from front to
rear. There must also be a cross bar on top of "A" and 4 bars down
the side and 4 bars around the top to complete a caged affair around
the driver. All roll bar pipes must be at least .095 in thickness.
Must have 4 kidney bars on the driver side and 2 bars on the
passenger side. MUST HAVE 4 BARS ON DRIVERS' SIDE. The driver and
passenger door inner liner only may be altered as necessary to
install bars in the door area. No further gutting allowed. Gussets
required. Bars may be added to protect radiator and gas tank areas.
Minimum of Three 1/4 inch bars in front of the driver required .
1/8" doorplate is mandatory. WINDOW NETS REQUIRED IN ALL CLASSES
2. Fuel cells,
mounted inside cans, are MANDATORY . Fuel cells must be in stock
location, cannot be mounted above the rear end housing. 32 gallon
maximum. Fuel cells must be securely installed with 2" wide by 1/8"
STEEL straps. Pump or racing gas only. NO nitrous oxide or other
enhancing chemicals allowed. NO ELECTRIC FUEL PUMPS.
ITEMS/PARTS NOT ADDRESSED IN THE FOLLOWING RULES & REGULATIONS ARE
TO BE OEM , UNALTERED PARTS - EXACTLY AS PRODUCED BY THE ORIGINAL
MANUFACTURER. FRAME & BODY:
4. Any year
model American made car. No front wheel drives allowed.
must be production stock. 1" tolerance. No subcompact cars. Rack and
pinion cars must have factory stock parts only. If chassis is
altered or steering parts are not stock or stock replacement and in
stock location ~ itís not legal. All unibody cars must be tied
together. Must have a complete stock floor pan and firewall. Trunk
area may be cut no further forward than the pinion of the rear end.
Crossmember may be notched for fuel pump.
6. Complete body
and frame for that year model. Body must look factory and be in
stock position. Sheet metal or aluminum allowed. All doors must be
secured to body. OEM Roofs. Fiberglass or sheet metal hoods
allowed.. Hood & trunk must be pinned down. Spoiler allowed, may not
exceed 6 inches in height, no wider than rear deck. 12" max length
sides. Rear of body must be fully enclosed Ė quarter panel to
quarter panel. Must have a factory floor pan and firewall. Holes in
firewall must be covered with metal or aluminum. Rear firewall must
extend from bottom of rear window to bottom of floor pan. Trunk area
may be cut no further forward than the pinion of the rear end, inner
fender must attach to floor pan. Frt/ Rear fenders may be trimmed
for tire clearance. Frt. fender wells may be removed. Nose piece
allowed. Plastic may be used to conform the frt. fender to the nose.
Must conform to body lines. NO excessive "flaring". Must be in full
contact with the fender and can not extend outward past the fender
and door body lines. Excessive flaring determined at the discretion
of the Tech official.
7. Bumpers may
be square or round tubing, minimum size 1 1⁄2 inch round tubing on
rear bumper. Bumper must not protrude past the carís body. Must have
tow loops front and rear. Bumper mounts must be steel. Front and
Rear tubular bumpers allowed, must be covered by plastic nose or
tail piece and bent to fit with rounded ends. Bumpers not covered by
plastic nose or tail piece must be the complete unaltered OEM bumper
and capped to the fender. NO sharp edges on bumper or bolts.
8. All weights
must be painted white with the car number on it and securely
fastened with 1⁄2 inch bolts to eliminate injury and hazardous
conditions. Failure to have the carís number on a weight or failure
to have it securely fastened are grounds for disqualifications or
position penalty at the discretion of the Tech official.
interiors must have inspection panel. All glass, chrome and trim
must be removed, including headlights and taillights. No rear view
mirrors allowed. Factory gauges may be removed. May replace factory
dash with aluminum. All flammable material must be removed. Wiring
harness may be removed and replaced. All window openings must remain
factory size. A 5" plastic sun screen on front windshield area is
allowed. Three 1⁄2" bars in front of the driverís window are
mandatory. 1/8" thick doorplate is mandatory, door plate must go
from the back of the cage to 5 inches in front of the seat. Bars may
be added to protect gas tank and radiator areas.
10. Car Number
must be clearly marked Ė 24" height & 3" stripe width min.. No Duck
tape numbers or letters. Must be different color than that of
racecar. If the scorers canít read it, you will not be scored.
11. Racing seat
is MANDATORY ,(in stock location) and 5 point harness with crotch
belt. Must have window net or arm restrains. Driver must have helmet
w/Snell Rating of 95 or newer, neck brace, fire suit and fire
resistant gloves & shoes. Must have fire extinguisher mounted within
the reach of the driver. THESE ARE MANDATORY, NO COURTESY NIGHTS.
release steering wheel and 3⁄4" round steering shaft MANDATORY.
Quick Steer Allowed. . NO stock columns.
clutch and brake pedals allowed ó The Adjuster can not be installed
on dual master cylinders.
14. Must weigh
3200 lbs. after race with driver. Top 5 cars weigh after heat races.
Top 5 weigh ( PLUS 1 random selected from the field.) & last chance
transfer spots will weigh. after "A" feature. ENGINE & DRIVE TRAIN:
15. MUST HAVE
180 DEGREE EXPLOSION PROOF STEEL BELL HOUSING. (Inspection hole
required if 360 degree)
16. ENGINE: must
be stock production. Factory produced blocks only. 90 or newer
blocks allowed. GM to GM, Ford to Ford, Dodge to Dodge. NO 400
blocks. NO bowtie or aluminum blocks. Stock GM 3.48 stroke, 2.10 rod
journal size on gm crankshafts. OEM replacement crank (stock 3.48
stroke and weight, 49lb. Min, OEM replacement only) allowed.
Crankshafts may be turned .010,.020 or .030. STOCK GM or STOCK
replacement, 5.7 length, thru-bolt I BEAM rods ONLY. PMF rods
allowed. NO cap screw rods. NO H beam rods. Must have a 1 inch plug
in the oil pan on the driverís side behind the motor mount for tech
inspection. Casting numbers must be readable by tech official.
Maximum cubic inch displacement to include clearance and wear is 360
for GM, 363 for Ford and 370 for Mopar. FLAT TOP or DISHED PISTONS
setback #1 plug allowed to be even or forward of upper ball joint.
Unltered OEM cast iron or aluminum intake (Marine included) or
unaltered aftermarket dual plane aluminum intake manufactured by:
Weiand, Edelbrock ,Holley or Professional Products AND approved by
track officials. NO porting or gasket matching of the intake or
heads. NO acid dipping. Intake can NOT be worked/reworked under
carburetor area. NO AIR GAP, Brezenski, Torque Link or cross ram
types. Plenum divider must be even/flush across the top. Intakes are
subject to Tech Officials decision.
Manifolds or Headers allowed. No Tri-Y.
CAN BE NO LARGER THAN A HOLLEY #4412 500 CFM 2 BARREL AND MUST PASS
INSPECTION FROM TOP SIDE WITH GAUGE. BOTTOM THROTTLE PLATE HOLE 1
11/16" / TOP 1 3/8" MAY RUN ROCHESTER or BARRY GRANT DEMON 2 BARREL
(SUBJECT TO PASS INSPECTION). NO AEROSOL CARBS. ONE - 1 inch carb
spacer allowed. Cannot exceed 1 1⁄2 inch total height, including
21. IGNITION: OE
Factory distributors ONLY. (GM = HEI), No MSD distributors, No
remote coils on GM distributors. Battery may be relocated and must
be securely mounted in a battery box/trey w/hold down. Recall Tachs
allowed. No onboard electronic devices capable of storing
information of any kind allowed. No electronic amplifying devices
Hydraulic camshafts & lifters only - Max. 480 lift at the VALVE.
Stamped steel style rocker arms only. (GM 1.5 ratio) NO roller
rockers, NO roller tip rockers. NO flat tappet cams, NO mushroom
cams. NO roller hydraulic cams. NO hydraulic roller lifters. If you
have a doubt check with tech Ė before competing. Zero valve lash is
23. HEADS: STOCK
cast OEM production, or unaltered summit racing part number
SUM-152123 (SR) heads ONLY. Vortec OK. Maximum Valve size allowed is
INT 2.02 & EXT.1.60. Maximum 1.25"diameter valve springs ONLY (Ī
.015 tolerance). Guide plates allowed. Screw in studs allowed. Poly
locks allowed. NO stud girdles. NO beehive valve springs allowed. NO
aluminum heads. NO GM angle plug heads. NO BOW-TIE performance
heads. NO angle milling the block or heads, NO Brezinski products.
NO porting, NO polishing, NO acid dipping, or anything similar is
NOT allowed. Ford and Mopar are allowed GT40 and W-2 heads. Casting
number must be readable by tech official.
TRANSMISSION: Factory stock automatics or standard transmissions
must have ALL working gears. A 10 1⁄2 inch minimum steel/organic
single OEM style disc-type clutch with a steel pressure plate and an
unaltered STEEL flywheel are allowed *16 pound minimum flywheel
weight. Aftermarket clutch pedal allowed. Stock type, 10" or larger,
converter allowed. WORKING factory type torque converters required
on all automatics and must contain no less than 3 quarts of fluid.
Drivers must be able to put the car in gear from park / neutral and
move forward and reverse at any time requested. Must have drive
shaft loop 6 inches back from u-joint. Shaft & loop must be painted
white. NO DUMMY converters. NO lighten transmissions. NO direct
drive transmissions. TIRES, WHEELS, BRAKES & SUSPENSION:
25. TIRES &
WHEELS: Asphalt pull off tires only. NO recaps or dirt late model
tires. Steel racing wheels only. Maximum width is 10". 5/8" wheel
studs and 1" lug nuts MANDATORY. Bead-lock allowed on Right Rear
ONLY. NO plastic or aluminum wheels. NO bleeder valves. Tires must
durometer at 50, at anytime.
Racing springs allowed on front and rear. Adjustable/Cheater weight
jacks allowed on the front only. Rear springs must use stock upper
spring pads in stock location. NO weight jacks or
adjustable/cheaters on the rear. NO spring sliders.
Unaltered non-adjustable, 1 piece steel racing shocks OEMmounted
style allowed. Shocks must mount in stock location on frt & rear.
Only 1 shock per Wheel. The GM rear OEM shock location is 4 1⁄2"
from the bottom of the housing to the center of bolt hole and must
be centered on the control arm bracket. NO external or internal
bumpers /stops allowed. NO Bulb-type, threaded body, coil-over, air,
or any remote reservoir shocks. NO Gas port, schrader valve or
bladder type valves. NO coil-over eliminators. NO heim mounts. NO
aluminum shocks. NO spring assisted shocks unless it came factory on
SUSPENSION: All components and mounts must be steel, unaltered OEM
or STOCK OEM REPLACEMENT, in STOCK OEM location and match frame. OEM
rubber or polyurethane A-frame bushings. . STOCK OEM or OEM
replacement ball joints allowed. No chains or cables. The upper
A-frame mount must remain STOCK OEM location and cannot be moved.
Suspension stops of any kind are NOT allowed. NOTE: ONLY unaltered
OEM or OEM replacement control arms allowed. Any OEM replacement
part that DOES NOT measure exactly the same as an original
manufactured product (OE control arm / trailing arm) AT ANY POINT on
it, is NOT allowed All control arms must mount on/in stock unaltered
positions. NO Heim / johnny joints . MOOG OEM style problem solver
offset upper control arm shafts are allowed.
SUSPENSIONS: All components and mounts must be steel, unaltered, OEM
and/or an unaltered OEM exact specification replacement part in OEM
location and match frame. OEM rubber control arm bushings or
polyurethane bushings allowed. The center of the rear lower control
arm bolt hole must be 2.25 to 2.5 inches from bottom of housing.
(1⁄2" tolerance). NO independent rear suspensions. NO sway bars,
panhard bars, J-bars, spring spacers or rubbers, chains or cables.
NO gold tracs or any form of traction devices allowed. Cars will be
checked in tech. NOTE: Trailing arms must match frame, Metric on
Metric, etc,. ONLY unaltered OEM or STOCK OEM replacement trailing
arms allowed. Any OEM replacement part that DOES NOT measure exactly
the same as an original manufactured product AT ANY POINT on it, is
NOT allowed. Trailing arms must mount on/in stock unaltered
positions. NO Heim / johnny joints
30. BRAKES: 3 or
4 wheel brakes allowed. Brake shutoff, and/or valve, must be in the
engine compartment. NO front to rear shutoff allowed.. NO brake bias
gauges or adjuster allowed. Brake lines must be visible. NO traction
31. REAR END: 9"
Ford rear end allowed, but must be mounted as an OEM rear end
(centered) for that make and model. Grand National rear ends
allowed. NO gun drilled axles. Torque dividing mini spools or
differentials are NOT allowed. GM rear ends MUST have axle
retention. All rear ends must be locked. PROTESTING: THE TRACK
reserves the right to protest any car/driver at anytime.
32. THE DRIVER
PROTESTING MUST HAVE PARTICIPATED IN THREE PREVIOUS CONSECUTIVE
RACES AT THE TRACK, MUST HAVE FINISHED IN THE TOP FIVE AND CAN ONLY
PROTEST A FINISHING POSITION AHEAD OF HIS/HER OWN. THE DRIVER
GETTING PROTESTED WILL HAVE 10 MINUTES - TO PROTEST DRIVER
PROTESTING HIM/HER, ó IF HE/SHE WISHES TO DO SO . DRIVER MUST GIVE
THE - CASH - TO THE FLAGMAN WITHIN 10 MINUTES AFTER THE END OF THE
Complete Tear Down: Includes: Clutch,Upper engine and crank weight.
* */ *
$200.00 - Upper
engine protest. Heads / Bore / Stroke / Inspect for lightened crank
Transmission and/or clutch and flywheel / includes weight. **
Suspension/Shocks ** **
$50.00 ** of the
protest money goes to the driverís point fund.
*25.00* of the
protest money goes to the wrecker - if used to pull the engine.
on each shock. May claim 1 to 4 shocks. Driver can only claim 1 set
(4 shocks), or 4 individual shocks, per season.
STOCKS MUST COMPLY WITH ALL MAJOR RULES. ( Cubic Inch./ Carburetor /
Tires / Weight & Suspension)