*Super Street Cars allowed. Must run Cherokee Tire
Stock unless otherwise stated.
1. Body: Please see drawings at end of rule book:
The objective of body rules are to keep the cars
looking similar to each other and as close to stock
while keeping them Race Cars. Any full size American
car or truck, 102" wheelbase minimum. Top & Quarters
must be stock looking. Deck height not to exceed 1"
higher than stock. Doors & fenders may be aluminum.
Must have steel floor pan under driver. Must run
complete, enclosed cockpit. Front firewall location
may be moved for engine clearance. Firewall may be
replaced-aluminum or steel material only. Rear of
car must be closed, no holes or flaps. Must run rear
rubber bumper cover. Can cut for tire clearance &
can remove inside wheel wells. Push bars must be
behind grill. Any Nose OK. No flare fenders. AR Dirt
Bodies approved. Solid mounts OK. Cars must remain
stock appearing. All nose & tail pieces cannot be
altered from stock. May have max. 6" rear spoiler (
8" for 602- spec. side fins.) May run side spoilers
6" height by 12" long. May run one 4" spoiler inside
car. Wings, rubbers, air scoops or anything that
alters the stock appearance of the car will not be
allowed. Hood and trunk straps permitted. (May run
hole in hood for breather).
2. Chassis: Must have roll cage, and all safety
equipment. Cage must secure to uni-body. All cars
frame may be tied together under floor pan. Wheel
base stock (2" tolerance). T&L type chassis must run
602 crate motor. **Johnson Racing X.Y.G. Metric
Chassis Allowed. (This is the ONLY aftermarket
chassis that is allowed.) Please visit
**All tubular frames will be serial numbered. Any
tubular frame without the SECA or Crate Racing
serial numbers will be considered illegal. Any
Johnson frame or repaired clip found to be altered
could result in fines or suspensions. **Stock metric
frames have to option to be repaired with SECA or
Crate Racing USA tubular front and/or rear clip.
Front and Rear clips will also have SECA or Crate
Racing USA serial numbers. **Stock metric frames
have the option to run the following Johnson Racing
Left Upper A Frame- JCI-09-02-003L
Right Upper A Frame- JCI-09-02-003R
Left Lower A Frame- JCI-09-02-01RC-L-SP
Right Lower A Frame- JCI-09-02-01RC-R-SP
Rear Upper Trailing Arm- JCI-09-03-04B
Rear Lower Trailing Arm- JCI-09-03-03B
3. Suspension: Must be stock. Screw jacks OK on rear
only. Lowering blocks OK. Adjustable cups OK. May
cut top A-frames to adjust camber & caster (top
a-arm only may be tube non adjustable). Stock
perches, must be in stock location. May enlarge hole
for shock clearance. Spindle savers ok. Steel, nylon
bushing or monoballs ok. Steel body non adjustable
racing shocks OK, may relocate rear only. Front
shocks must remain in stock location. Front shock
mounts may be moved up (vertically) to prevent
bottoming out with 3” max. from stock position. Heim
joints OK on shocks only. May cut rear top control
arm only to adjust pinion angle. NO coil over type
adjustments. Heim joints allowed only where stated.
4. Rearend: May run 9" Ford. Floater legal. Disc
5. Brakes: Stock caliper for make and type of car
disc OK (NO 4 piston calipers) any pedals; adjusters
6. Wheels: Any steel 8" maximum. Large wheel studs
okay. Bead locks OK, outward facing only.
7. Tires; Stock tires. Any Hoosier Med. Hard & RC4,
American Racer 265 med. Or Goodyear G65. (8.5 inch
8. Driveshaft: Any steel 1 1/2" or larger. Must be
painted white, with car number. Must have safety
9. Transmission: Must be stock with at least one
forward & rear working gear . Bert/Brinn type tranny
OK with reverse mount starter.
10. Flywheel: Stock flywheel (no less than 10 1/2",
must weigh 14 lbs.) Clutch and pressure plate or
triple disc clutch with flex plate is OK (no smaller
than 5.5"). NO single disc.
11. Engine Location: # 1 sparkplug in line or in
front of top ball joint. 0 tolerance.
12. Fuel: Must pass track test. Fuel tank must be
mounted inside of trunk.
13. Weight: Weight MUST be posted on hood due to
different head rules. 3200 lbs. after race. Dart
Heads 3300 lbs. after race. Crate engine cars with
604- 2900 lbs. after race. T&L Type cars with 602-
2700 lbs. T&L type cars with 604-3000 lbs. NO 4-link
14. Engine Specs: Must match make of car, Chevrolet
for Chevrolet, Ford for Ford, etc. 365 Max cid. Or
GM crate motor Part # 88958604 (350 factory stock
circle track engine - 88958604)
Block: Cast iron OEM only (no Bowtie or SVO). May
plug, or install vent pipes, or screens. May Plug
deck & re-drill water holes. Maximum cylinder bore
Crank: Any steel stock appearing crank. No billet.
50 lb min weight. May balance (drill hole, weld,
minor grinding) For balancing purposes the
counterweights may be turned-must maintain 1.950 for
steel / 1.750 for cast. No knife edging. No pendulum
undercut. No polishing or lightning of
counterweights or throws. Will be weighed with cam
gear and pilot bushing.
Rods: Any steel rods. NO aluminum or titanium rods.
Piston: Any flat top Eyebrows legal.
Oil Pan: Any wet sump oil pan.
Heads: Stock cast iron OEM, NO Bowtie or angle plug
heads, may run Double hump. Competition valve job
permitted, any angle any depth, all angles must be
concentric with valve guide, May have .750-hand
blend from top of 45 degree 7/8 will be wrong. Screw
in studs and guide plates OK! Roller Rockers are
permitted. Also may run Dart #10024266 57cc. Or Dart
Iron Eagle sportsman Head # 10110010F. 180* Intake
Ports, 49 cc, 47 min. Only other
modification-competition valve job. 202 intake 160
exhaust. May also run World Product Head #
011250-037. Any head other than OEM GM MUST add 100
Valve: Any stock diameter, steel valve permitted.
Valve may have under cut stem 2.02" (intake) and
1.6" (exhaust) valve sizes are allowed.
Valve Spring: Any steel. Single or double.
Retainers: Any steel or titanium valve spring
Cam: Hydraulic or Mechanical .500" lift max.
Hydraulic checked with zero lash and mechanical
check with .025" lash. Any Hydraulic or solid flat
tappet lifter. Stock diameter only! All cams MUST be
OEM firing order.
Lifter: Stock diameter NO roller lifter.
Intake: OEM Bowtie cast iron intake, or any
aluminum, as casted NO modifications.
Fuel Pump: Stock only.
Carburetor: 650 Holley (# 4777) OK (NO 4 corner idle
screws) May run a 2” Spacer with no more than (2)
.070” thick gaskets. May drill holes in butterflies.
Must pass track gauges.
Ignition: Stock, may have chip. Billet distributor
OK. Any wires. MSD box allowed or same as.
Header: Headers OK. Exhaust EVAC system OK.
1. Claimer rule on crate motor only 604 $5200 & 602
$3550 track will keep $50.
2. Engine will be received with accessories as
supplied from GM.
3. Only highest finishing crate engine may be
4. Only driver on the same lap can claim.
5. If more than one person claims, the driver
finishing the farthest back gets 1st choice.
PROTEST: (Two things only) $300 with track retaining
1. Bottom End protest: $600 with track retaining
2. 602/604 Top end protest: $500 - Consists of head,
intake, carburetor, spacer, check for factory
pistons (visual from top only) & distributor. Track
will retain $100.
3. UNDERHOOD VISUAL PROTEST: $50 Straight fee to
look for carb # (After Heats Only!).
4. Tire Chemical Protest: $100.00 per tire to
protest. $100 per tire acceptance fee. 3 grooved
strips removed from tire & sent for lab testing.
5. Fuel Protest: $50.00