1. CARS, TRUCKS (S10‘S,
RANGERS, ETC.):
No convertibles or full
size trucks. American made cars and trucks must
be 1970 and up.
Rear wheel drive, front
engine.
Wheel base must be a
minimum of 100 inches.
Consult OEM Stock
specifications shown in the N.A.D.A. Official
Used Car guide for
wheel base, length, width
or any other technical question for dimensions.
All cars must weigh a
minimum of 3300 lbs., with driver, as they come
off the track.
2. BODY:
All glass and flammable
material will be removed. Plastic trim, chrome
and door handles
are to be removed.
Cars must retain steel roof
posts front and rear.
Steel or aluminum body
panels are allowed. No cut outs except for
taillights. MUST remain stock in appearance.
Body and floor pan MUST
remain completely stock.
Front and rear firewall
MUST be completely closed off from trunk area
and engine
compartment.
Rear firewall must be
located at the back of rear seat mount.
No holes in hood allowed.
Fenders may be trimmed for
tire clearance.
Front fender wells may be
removed.
Inner panels may be trimmed
for roll cage bars.
Rear wheel wells can be
trimmed for tire clearance.
Trunk floor may be cut out
for fuel cell clearance from center of rear
back.
All cars must have drivers
side door plates covering from top to bottom and
from door
post to 5” in front of seat
-- minimum of 18 gauge or .049 inch thickness.
Door plate may be plated by
putting metal between each opening in door bars
if welded solid.
Doors must be bolted or
welded shut.
Windshield screen required
and must be full width extending from windshield
post to windshield post and full height from
cowl to car top.
Maximum screen opening is
4” x 4” and must be at least 3/8” thick and
securely mounted. Stock core support.
Spoilers securely fastened
are legal - up to 6” only in size.
3. BUMPERS:
Stock or tubing style
bumpers will be allowed.
4. CHASSIS/SUSPENSION:
Suspension parts are to
remain stock for make and model. No alterations
of stock
components allowed.
Stock springs in stock
location. Stock length and type racing springs
allowed.
Shocks MUST be stock
mounted and in stock location. No racing style
shocks of any kind
allowed.
Sway bars optional, but
must remain in stock location, cannot be
adjustable. One shock per wheel only. No Coil
overs or load levelers.
No weight jacks or
adjustable spacers.
Must have all stock
brackets, length, width and location for the
make of car and must use stock OEM bushings. You
can weld washers on outside of brackets if
necessary but you cannot move holes.
Trailing arms can NOT be
altered, upper cap shorted or lengthened on GM
rear end.
NO quick steer
Must have stock power
steering pump.
5. REAR ENDS:
Any stock type production
rear end is acceptable.
9" Ford is permitted with drum or disc
brakes.
No quick changes or quick change devices
allowed.
No Detroit Loackers, No posi-tac.
May lock rear end with spool or mini
spool.
6. DRIVE SHAFT:
Stock configuration and
painted white.
Must have loop within 10”
from rear of transmission made of 2” x l/4” flat
bar or 3/8” chain
mounted securely.
7. BRAKES:
Factory original type.
Rear disc brakes allowed.
All 4 brakes mst lock up on inspection,
dual master cylinder ok.
8. ENGINE AND TRANSMISSION
MOUNTS:
May have stock OEM engine
and transmission mounts.
Steel mounts are allowed
but must be in stock location.
9. ENGINES:
Flat top or dished pistons,
Vortec Heads ok wp#chevy 42660, ford 53030.
No roller cams. roller rockers ok. stud
girdles ok.
No aftermarket blocks allowed.
Stock cast iron 2 or 4 barrel intake.
aluminum dual plane intake ok.
no performance rpm or air gap manifold.
no bowtie intakes, Max 1" spacer allowed.
No porting polishing or port matching
allowed.
Cast iron exhaust manifolds or headers
are allowed.
No 180 degree headers allowed.
No MSD or Magnetos.
No ignition control boxes.
Stock HEI or point type distributors with
one 12-volt coil allowed.
360 cu in or less may run unmodified
Holley 4412 2-barrel or vacum secondary 4-barrel
carburetor.
361 cu in or bigger MUST use unmodified
Holley 4412 2-barrel carburetor.
Must be in stock location.
Must be same make as the car (Ford/Ford),
Chevy/Chevy).
10. HEADS:
OEM cast iron heads.
Double humps or power pack
heads.
Screw in studs are legal no
larger then 3/8“.
No porting or polishing
allowed.
No gasket matching.
Milling of head is allowed,
only on gasket surfaces.
No bowl blending under
valve.
No shaft rockers.
No titanium valves.
11. EXHAUST MANIFOLDS:
Can run any stock cast iron
exhaust manifolds.
HEADERS ok. 1 5/8" chassi
headers only.
Can not exceed 95 dcbl.
from press box.
12. CARBURETORS:
Vacuum secondary, stock
style 600 cfm.
No double pumpers.
The following carburetors
are legal:
Holley List #1850-600 CFM,
3310-650 CFM
Edelbrock 600 CFM.
Factory carburetors are
also legal.
All carburetors must remain
unaltered.
No matching allowed.
Removal of choke horn is
not allowed.
No taller than 1 inch
adaptor under carburetor.
13. IGNITION:
Stock HEI only.
Single point stock
distributors are allowed.
No production performance
parts. Example (Ford Motor Sports)
NO MSD BOXES HOOKED UP OR
NOT HOOKED UP.
No rev limiters of any kind
under distributor or not.
Must have stock OEM firing
order.
14. RADIATORS:
Single stock style radiator
allowed, mounted in stock location.
Must fit under unaltered
hood.
Aluminum radiators allowed.
Metal or plastic fan blades
are legal.
THESE WILL BE CHECKED ON A
REGULAR BASIS. KEEP THEM SAFE.
DO NOT RUN OVER FLOW TUBE
OUT PASSENGER DOOR AREA.
15. CLUTCHES/FLYWHEELS:
Must be stock OEM.
No alterations to flywheel
or clutches.
Must be functional from
dead stop.
No light weight flywheels
or clutches.
Steel bell housing
mandatory and must have 2” inspection hole for
easy access.
Cast steel bell housing is
allowed -- no aluminums.
No mini clutches.
No aluminum flywheels.
Corvette flywheels allowed.
18. TRANSMISSIONS:
Transmissions must remain
stock.
Standards must have working
gears.
Automatic transmission must
have OEM working torque converter.
19. TIRES:
American Racer KK704 tires
on 8" wheels or aspahalt takeoffs on 10" wheels.
Bead lock on right rear only.
1" lug nuts are required, tire must
durmometer 45 or harder after A feature.
20. WHEELS:
Bead locks ok on RR only.
21. FUEL TANK:
Mandatory fuel cell, with
roll over valve, must be securely mounted in
trunk area.
Maximum 22 gal.
recommended.
Fuel delivery system must
be stock.
No electric or belt driven
fuel pumps.
Pump gasoline or racing gas
acceptable.
No bottom fuel pick ups --
no vented caps.
22. ROLLCAGES:
Must be minimum 6 point
with “x” in rear loop.
All cage and braces are to
remain inside body.
Cage and braces are to be
of l l/2” O.D.
Tubing minimum .095” wall
thickness.
Drivers door will have
minimum of 3 horizontal bars and through
vertical bars per door
bar.
Passenger door to be the
same horizontal bar will run from side to side
under dash
between cage uprights for
strength.
Single engine hoop allowed.
Cage will extend from front
of driver compartment to no more 4” behind
trailing edge of
doors.
All bars around head must
be wrapped with foam.
23. SEAT/SEAT BELTS:
Must have high back
aluminum racing seat.
Seat must be mounted
securely and is subject to inspection.
Must have 5 point racing
seat belts.
Seat belts can not be older
than three years.
Belts newer than three
years and are showing wear, tear, or fraying,
must be replaced.
Subject to safety
inspection at any time.
24: UNIFORM:
Complete fire suit and
gloves of flame retardant material must be
factory labeled.
At least SA 2000 approved
helmet and racing shoes are required.
Neck collar and window net
is required in this class.
25. BATTERY: Single stock
automotive type allowed.
Must be securely mounted
and covered to prevent acid spill in event of
rollover -- 12 volt
system only.
26. CAR NUMBERS:
Must have numbers on both
doors and top facing passenger side at least,
20” tall and 4”
wide.
No free lance spray
painting.
Must attempt to straighten
and touch up paint before each race program.
Numbers only, no letters.
27. ENGINE CLAIM:
All cars subject to tech.
at any time.
Protesting will be done before the A-Feature, see
General Rules.