* Super Street cars
allowed. May run Cherokee tire rule.
* Stock unless
* Must add 50 pounds if perches are moved.
* Johnson Chassis must add 50 pounds.
* Carolina Speedway cars may weigh 3000 pounds.
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 flared 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). 7.5" MIN Chassis Height. T&L type
chassis must run 602 crate motor.
* Johnson Racing
X.Y.G. Metric Chassis Allowed. ADD 50 LBS. (This is
the ONLY aftermarket chassis that is allowed.)
* 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
* 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-09-02-003R
Right Upper A Frame - JCI-09-02-003L
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
No notching of frame for tie rod clearance.
Johnson Chassis' that have been notched must cover
the notched area on sides and bottom of frame with
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;
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
11. Engine Location: # 1 spark plug 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 lightening of
counterweights or throws. Will be weighed with cam
gear & 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 retainers allowed.
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
Fuel Pump: Stock
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
Ignition: Stock, may have chip. Billet distributor
OK. Any wires. MSD box allowed or same as.
Header: Headers OK. Exhaust EVAC system OK.
Engine Claim: Claimer rule on crate motor only 604
$5200 & 602 $3,550.00 track will keep $50.00. Engine
will be received with accessories as supplied from
GM. Only highest finishing crate engine may be
claimed. Only driver on the same lap can claim. If
more than one person claims, the driver finishing
the farthest back gets 1st choice.
Protest: (Two things only) $300.00 with track
Bottom End Protest -
$600.00 with track retaining $100.00.
602/604 Top End
Protest - $500.00 - Consists of head, intake,
carburetor, spacer, check for factory pistons
(Visual from top only) & distributor. Track will
Protest - $50.00 Straight fee to look for carb #
(After Heats Only!).
Tire Chemical Protest
- $100.00 per tire to protest. $100 per tire
acceptance fee. 3 grooved strips removed from tire &
sent for lab testing.
Fuel Protest - $50.00