1. CARS:
Rear wheel drive compact
cars with factory four cylinders only.
Maximum 101" wheel base.
No 240, 260 or 280zx cars
allowed.
2. WEIGHT:
2300 lbs minimum, with
driver, as they come off the track.
3. ENGINE:
Factory manufactured four
cylinder.
Engine must match
manufacture. Example: Ford in Ford, etc.
No after market heads.
No porting or polishing
of heads.
No gasket matching.
Stock style valves only.
No lash caps.
No double valve springs
(springs with flat inner dampener allowed).
Milling of head allowed
on gasket surface only.
Stock rockers or pivots
only.
No roller cams, solids
allowed.
Stock rods and 2300 crank
only.
No mismatching of rods
and cranks.
No strokers.
Bore size not to exceed
more than .080 over original size.
Head bolts or studs
allowed.
Flat top pistons only
(Except Toyota can have factory dome
pistons).
Stock type oiling system
only.
Stock intakes only and
EFI intake allowed (no modifications).
Carb adapter legal but no
taller than 2 inches including spacer and
gaskets.
No production performance
parts. Example: SVO.
No mismatching 2500 and
2300 components.
Adjustable timing gears
allowed.
5.7 maximum long rod
motors allowed.
No light weight or
performance pistons.
ARP rod bolts allowed.
4. CLUTCH/FLYWHEEL:
Stock clutch and pressure
plate only.
No mini clutches.
No Button devices.
Clutch must be
operational.
No aluminum flywheel.
Flywheel minimum weight
16 lbs.
No drilling holes to
lessen weight of flywheel.
Must have a 2" inspection
hole for easy inspection.
5. SUSPENSION:
Must remain in stock
location.
No more than one shock
per wheel.
No coil overs.
Quick steers allowed.
A arms and trailing arms
must be OEM unaltered. You may put washers
on brackets over bolt holes but cannot be
relocated.
Ford on Ford and Toyota
on Toyota.
Stock wheel base by
N.A.D.A. book.
No cutting on arm.
Toyotas can extend right
lower A arm 2" only.
Racing springs allowed.
No adjustable spring
buckets.
May use rubber or twist
in type spring spacers.
88 T-BIRD Lower A arm on
Ford right front only allowed.
Upper trailing arms on
Mustangs can not be shorter than 9" or
longer than 9 1/2" center to center of bolt
holes.
6. WHEELS:
Steel only, maximum 8"
wide.
Any offset.
Must have 1" lug nuts on
both sides of car.
No bead locks.
7. TIRES:
DOT highway approved
tires designed for street use only.
No recaps, mud or snow
tires.
No IMCA tires.
13", 14" or 15" are
acceptable.
Minimum Width 75 series.
Can groove tires.
Asphalt take offs
allowed.
Tires must durometer 45
or harder after main event, no cool down
period.
All cars in top 5 will be
checked for durometer rule.
8. BRAKES:
Stock brake system only.
You may remove the right
front brake, (remaining 3 brakes must be
operational).
No lightening or shaving
of brakes.
9. ROLL CAGE:
All cars will have 6
point cage.
1 1/2" Minimum O.D.
tubing and minimum .095 thick.
Drivers door must have
minimum three horizontal bars with a minimum
of three vertical bars between them.
Passenger door must have
minimum two horizontal bars with two
vertical bars between them.
Cage will have an "X" in
rear loop.
Bars within drivers head
must be padded.
All cars must have a
steel plate on left side door bars covering
the driver’s seat area from the top bar down
to the third bar, minimum 18 gauge or .049
inch thickness welded to door bars. Minimum
area covered 12" x 18".
Roll cage will not be set
back more than 4" behind original door jam.
No more than 15 degrees
rear rake.
10. CARBURETORS:
Stock 2 BBL (OEM) Weber
3236, or motor craft 2 BBL.
Single down draft carb
only.
You cannot bore
carburetor and use Holley butterflys.
Holley's allowed. No
alterations at all. No 650 base plates.
11. RADIATORS:
One radiator only,
mounted in stock location.
Type optional, aluminum
allowed.
Radiator must remain
under hood without modifications to hood.
No rear mounted
radiators.
Plastic fans only, no
steel or flex fans. Keep them safe.
DO NOT RUN OVER FLOW TUBE
OUT PASSENGER DOOR AREA.
12. BODIES:
Bodies are to remain
stock appearing.
No excessive body
modifications are allowed.
Must retain stock steel
roof supports at front and rear of roof.
No convertibles.
Window openings will be a
minimum of fourteen inches front to rear of
opening.
Must attempt to
straighten body and touch up paint before
each race program.
Must have numbers on both
doors and top facing passenger side at least
eighteen inches tall and three inches wide.
No free lance spray
painting.
Spoilers allowed, no
taller than five inches.
Plastic noses allowed.
Nerf bars allowed but
cannot extend any longer than the edge of
wheel opening.
Nerf bars will only be
made of 1 x 2 inch rectangular tubing, ends
must be angle cut and capped.
Aftermarket body parts
allowed, steel or aluminum only, with the
exception of fiberglass hoods are allowed
and all must remain stock appearing.
Any manufactured body
MUST retain stock body lines. We will be
monitoring this very closely. Stock body
lines will be determined by promoter and
tech.
All cars must have rear
wheel wells or enclosed interior, to protect
the driver from the tire or debris.
All body parts must be
bolted or welded, except hoods cannot be
bolted down, removable hood pins only.
13. EXHAUST:
Stock cast iron manifold.
Tubular style headers
allowed.
Must not exceed 95 db's
measured from the press box.
14. IGNITION:
Stock ignition only, no
after market performance parts of any kind.
No production performance
parts. Example: SVO.
No rev limiters.
No MSD Ignition boxes or
distributors.
15. BATTERY:
One automotive battery
only.
Must be securely mounted
and covered so as to prevent spill of acid
in case of a rollover.
16. Bumpers:
Stock bumpers or tubular.
Tubing not to exceed 1
1/2" o.d. and .120 thickness.
2 loops no taller than
8", not to extend out past the center of the
tire and must be turned in toward the frame.
All bumpers will be
checked for safety.
17. Fuel:
Gasoline or aviation fuel
only.
No alcohol.
18. Fuel Cell:
Fuel cell will be
securely mounted and subject to inspection
for safety.
Fuel cell, with roll over
valve, is mandatory.
Maximum 8 gals
recommended.
No bottom pick ups or
vented caps.
Must have fire wall
between driver and fuel cell.
19. Fuel Pump:
Electric fuel pump or
stock manual pump allowed.
Electric pump must be
hooked to ignition on and off switch, so
pump is off when ignition is off.
20. Seat:
Seat must be securely
mounted.
Aluminum racing seat is
mandatory.
21. Kill Switch:
All cars will have an
of/off switch in working order and plainly
marked.
22. Seat Belts:
All cars must have a 5
point approved racing belts with quick
release.
Must be mounted to frame
or cage.
Submarine strap is
Mandatory.
REPLACE belts if 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.
23. Safety
Equipment: