2018 FACTORY STOCK RULES
(Rules are the
same for NOVICE)
BODY: Any American made stock passenger car body on a stock
unaltered full frame, or Chrysler & Ford unibodies. No front
wheel drives. No Camaro, Mustangs, or Station Wagons.
Stock appearing aftermarket plastic nose piece can be drilled for
air but not extended with any type of material. Tail pieces with no
holes are allowed. Rear of car must be sealed off, no exposed fuel
cell. No spoilers (even if factory equipped), wings, skirts,
valiances, air scoops, hood scoops, or anything that alters stock
appearance. Bodies cannot be moved from the original body mount
rubber bushing no more than +/- 1” cannot be less than 5 ½” from
ground. A front visor is allowed on the windshield area MAX 7
inches. No side or rear window visors allowed. Sunroofs and T-tops
must be reinforced and enclosed. No nerf bars. Maximum one inch wide
by two inch tall steel or lexan rub rails allowed - bolted flush
to body. All glass, plastic, upholstery, lights, mirrors, and trim
must be removed. Cars must be stock appearing. No cutting,
channeling, shortening, or modifying of body is allowed. No excessive
trimming of fenders or hoods allowed, No drilled holes allowed in
hoods for air supply, must maintain stock OEM appearance. All doors,
fenders, and window openings must remain stock appearing and OEM
dimensions and be the same on both sides. No straight slab sides. No enclosed interiors, or
decking allowed. Front edge of rear deck cannot be more than 8”
forward of center of rear-end and must have at least 2” continuous
drop from front to rear. Rear of dash can be no more than 35” from
the center of the distributor or 28” from back edge of the center of
stock hood. Original OEM front and rear firewalls must remain in
stock location. The front firewall must match the frame used, and
the OEM mount must be visible. Firewall must be full and
complete. Interior must be completely sealed off from engine,
ground, and trunk. Cars must have a complete stock OEM steel roof
mounted in OEM location and OEM rake and angle for
model. All openings should be covered as to isolate the driver,
subject to track approval. Racecar body should be maintained in such
a manner as to keep a presentable appearance.
If not OEM
body. Any steel or aluminum fabricated bodies must add 50lbs. in
front of motor.
FLOOR PAN: OEM
floor pan may be cut 6” behind front OEM mounts in a straight line
across to the other side and be replaced using steel fabricated
floor pans made of 18 gauge metal or minimum of .049” thick steel
securely welded to the frame. Must remain flat, OEM appearing from
frame rail to frame rail, no higher or lower than frame rail with
the exception of a maximum tall 8” drive shaft tunnel and similar to
OEM tunnel in size. Interior must be completely sealed off from
engine, ground, and trunk. If you choose to fabricate the floor pan
to the above specs, there will be a 10lb weight penalty accessed in
front of the motor. If you run a fabricated floor pan and
fabricated body total weight required in front of the motor is
FRAME: Frame must be full and complete. Cannot
be Widened, Narrowed, Shortened, Lengthened, or be Cut, Bent, or
Altered to change Suspension Brackets. Rear of frame behind upper
shock mounts may be replaced with round, square, or rectangular
tubing. Cannot narrow right rear frame for tire clearance. No frame
alterations allowed. All Bars forward of cage must be lower than
type rear bumper required, a fabricated front bumper may be used
with the following conditions: cars with aftermarket nose pieces- the
bumper may extend past frame rails for support and reinforcement.
Must be behind nosepieces. Cars without nosepieces- the
bumper may not extend past front frame horns. NO SHARP EDGES. Must
have a minimum of 5/16th diameter chain welded to front
and rear of car with the design so tow truck can attach to them.
ROLL CAGE: Minimum four-point cage, minimum size
1 ½ “O. D. by .095” wall thickness. Minimum three bars in driver’s
side door, and two bars on passenger side door (three bars
if passenger in car). Four-point quick release seat belt and harness
required for driver and passenger. Racing seats required. Must have
window nets and firesuit for driver and passenger. Must have at
least three bars in front of driver and passenger in windshield
area. Window nets mandatory for both driver and passenger.
be stock for the make and model except no 400’s or larger small or
big blocks. Cast piston only, Chevy must use 4 equal valve relief
pistons. OEM crankshaft only- cannot be lightened. No aerowing,
bullnose, knife edge, undercut or drilling of second or third rod
throws. OEM steel Connecting rods only must remain stock OEM length,
weight and shape. No lightening of any parts. Aftermarket water
pump, mini starter, pulleys, harmonic balancer and oil pans okay.
Aftermarket power-steering pumps okay. Metric cars may run a 350. NO stroking
or de-stroking. Engine height and setback must be in stock location
+/- 1”. GM metric frame center of fuel pump must be located a
minimum of 1 ¾” in front of unaltered cross member. Solid motor and
transmission mounts okay. Maximum cranking compression 175lbs.
(ignition off, engine turned over 5 times). Oil pans must have at
least 1” inspection hole with nothing inside of inspection hole
blocking inspection scope from seeing rotating assembly.
CAMSHAFT, VALVETRAIN, AND CYLINDER HEADS: Hydraulic
cam and flat tappet lifters only. .447 maximum lift at valve or
.298 lobe lift at cam. Must maintain 14” of vacuum at 1200
rpm. 1.94 maximum intake valve diameter, 1.50 maximum exhaust valve
diameter on Chevrolet engines. No hollow valve stems. Stock size and
shape valve springs and retainers. Stock length and diameter
pushrods only. Stamped steel 1.5 rockers on Chevy, 1.6 on Ford and
Chrysler, NO roller tips. Open chambered heads only, must be
unaltered, O.E.M. NO porting, polishing, or gasket matching
allowed. The only GM head numbers allowed are 14079267, 3986336,
3986339, 3986339X, 3986388, 3932441, 376445, 3928454, 3932454,
3876487, 3973487, 3973487X, 3973493, 3951598, 468642, 330862,
333882, 3998920, 3998991, 3998993, 3998997, and 3970126. Screw in
studs and guide plates ok. 305 engines may use 305 heads (no vortec).
AND FUEL SYSTEM: Cast Holley 4412 -2 barrel only. Must be
unaltered. NO screw in air bleeds, NO powder coating, or any
modifications. Choke plate may be removed. 4412 must be cast into
choke horn of carb. Maximum spacer and adapter 1” combined total.
Fuel pump must be in stock location for make, NO electric
pumps or fuel injection even if factory equipped. NO fuel pressure
regulators, NO fuel bypass systems, or any cool can devices.
unaltered cast iron exhaust manifolds only no porting or grinding
allowed. Ok to weld exhaust pipe to manifolds but must cut off for
inspection if welded on . No Chevy center dump, Corvette, marine,
Lt1 or tubular steel type manifolds. No adaptors between head and
manifold must be able to use all OEM exhaust bolt holes in head. No
two into one exhaust or x pipes must remain duals.
INTAKE MANIFOLD: Stock OEM unaltered aluminum or
cast iron intake only. No aftermarket or stock high
performance or high rise. No bowties. No porting,
polishing, cutting or gasket matching.
TRANSMISSIONS: Any stock type automatic or manual. Automatics
must have stock appearing working 11” torque converter cannot be
smaller with ring around it. No direct drives. Transmission
Cooler ok. Manual must have single disc 10.5” clutch, flywheel and
pressure plate must be steel, minimum 15lb steel flywheel. No mini
clutches. Steel drive shafts only must be painted white and have a
loop 6” from front u-joint.
FUEL: Pump or racing gas only. No methanol
allowed. No additives or smells. Fuel cell must be secured
in trunk any part of fuel cell cannot be forward of any part of rear
end. Fuel cell must be visible for inspection purposes from the top
through a removable stock appearing trunk lid.
and rear suspension must be stock unaltered OEM for that make and
model of frame, ball joints, spindles and all components. Lower
control arm bushings OEM design only and cannot be steel, aluminum
or grease able type. No air shocks. No alterations to
any part of the suspension or frame will be allowed. May run IMCA
type upper control arms 8” or 8 ½” length only. Sway bars must be
stock for make and model mounted in OEM mounts. No suspension stops
of any kind. Shocks must have stock type rubber ends, must be
mounted in stock location on frame with no control arm and
rear-end. Cannot space shocks up or down. No bulb-type, threaded
body, coil-over, or remote reservoir shocks. No external or internal
bumpers or stops. No Schrader valves on shocks. All shocks must
collapse at any time.
length of rear springs 14” tall free height and both sides must be
equal and in stock location. No spring rubbers, no adjustable
weight jacks of any kind, and must sit in unaltered top and bottom
BALL JOINTS: May run aftermarket ball joints but
must be stock OEM dimensions. Rebuildable ball joints ok.
REAR END: Stock
rear-end for make and model no modifying axle bearings or length.
All brackets, control arms, and shock mounts must be in stock
location. All trailing arm bushings must be OEM or OEM replacement
with OEM design. Gears may be locked must use stock unaltered ring
gear carrier may weld or use bolt in locking blocks. No full spools,
Detroit lockers or torque sensing devices.
DRIVER SEAT: Steering boxes must remain in stock location.
Aftermarket steering wheel and quick release steering coupling are
recommended. Quick steer boxes allowed. NO part of driver
seat may be no further back than 25” forward of center line of rear
end housing. No knobs, handles, or levers other than the gas pedal
and brake pedal allowed for adjustment of carburetor, ignition
timing, or brakes.
RADIATORS: Any (1) radiator that fits in
original location without any body modifications is allowed. Water
pump mounted fans only, No electric fans.
12 volt battery only must be mounted securely in rear of driver’s
compartment or trunk area. No voltage generators in series with
ignition system, voltage at distributor cannot be more than at
battery (12) volts. One stock type distributor, module and coil in
stock location only. Ignitions on/off switch must be
clearly marked. No traction control devices of any kind. No
digital gauges or tachs.
BRAKES: May use any (1) one master cylinder.
Aftermarket pedal OK. Must have at least 3 working brakes. Right
front may be blocked. No bias adjustment, no electric or
manual cut-off switches or valves allowed. Disc brakes allowed in
rear No aluminum or composite rotors or calipers. Must use steel
stock type rotors on rear disc. No lighting of components.
WHEELS: 8” maximum wide wheels allowed, 15” diameter steel
wheels only. No bead locks or screws allowed. Mud plugs and wheel
covers allowed ONLY on the right rear. Wheel cover must be plastic,
be bolted, no Dzus fasteners, the ring that holds the wheel cover
must be welded to the wheel in at least three places. NO bleed-off valves. Must
run 1” steel lug nuts. Approved unaltered Hoosier asphalt F45 pull
offs only. Must durometer 60 or higher. Subject to inspection any
time before or after the race. No grooving, siping,
softening, needling, metal grinding disc, treating, softening, or
wrapping in plastic allowed. Deglazing with sand paper disc ONLY
allowed, but cannot leave any grinding marks and is subject to
inspection before or after race.
WEIGHT: Weight may be securely added in trunk or
under the hood, but not in plain view or within the driver’s
compartment must be painted white with car number. Car must weigh
minimum 3000 lbs. with driver after race.
bodies add 50lbs. in front of motor.
COURTESY RULE: Any car with “minor” rule
infractions will be allowed to race (1) event. Must be determined
before the race. Cars with infractions are subject to weight
CLAIM PROCEDURE RULES:
CLAIMING RULES: Any driver in the same race on the lead lap may
claim one of the top three finishers immediately after the “A”
feature in the tech area with money in hand.
(A) $500.00 and swap claim on engines.
does not include - Flywheel, clutch/assembly, bell housing,
breathers, carburetor, starter, motor mounts, oil/temp sending
units, water pump, fan, pulleys, dip stick, distributor, wires,
water outlet/restrictor, fuel pump, fuel pump plate/rod.
(C) Driver may NOT claim another driver
finishing in a position behind them and may not successfully
claim the same driver more than once per calendar year.
CARBURETOR / DISTRIBUTOR / SHOCK CLAIM RULES:
claiming area is in the tech area, or wherever track designates.
Claim must be made immediately after the “A” feature race finishes
(checkered flag). Only the driver may make the claim. Driver must
have money. The claiming driver must be on the same lap as the
driver being claimed. Only the top three cars may be claimed by
another driver. A driver can claim another driver’s multiple claims
on the same carburetor, distributor, or shock, a draw will be held
with claiming drivers to determine who gets claim. Refusal to sell
will forfeit all cash, trophies, and points for the night. If claim
is refused, claim is NOT held against driver who made claim.
Carburetor claim $200.00 and swap, Shock or Spring claim
$20.00 each and swap, Distributor claim $100.00 and swap.
PROTEST RULE: Any driver in the same race on the lead lap
may protest another car immediately after feature in the tech area.
$250.00 cash per component $50.00 to the track, if legal protested
car gets $200.00 if illegal protestor gets $200.00 back.