* Super Street cars
allowed. May run Cherokee tire rule.
* Stock unless
* Must add 50
pounds if perches are moved.
Chassis must add 50 pounds.
Speedway cars may weigh 3000 pounds.
Speedway 604 motor cars weigh 2850 (No Bert or Brinn
Trans. at 2850) MUST run Cherokee Speedway Tire
Rule. Weights may be adjusted during the season for
1. Body: Please
see drawings at end of rule book: Any full size
American car or truck, 102" wheelbase minimum. 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 may be open. Can cut for tire
clearance and can remove inside wheel wells. Push
bars must be behind grill. Any nose OK. NO flared
fenders. No MD3 or MD3 style noses. AR Dirt Bodies
approved. Solid mounts OK. Cars must remain stock
appearing. May have max. 8" rear spoiler ( 8" tall x
24" long side spoilers or spill plates). May run 3
spill plates. See diagram for measurements. Maximum
spoiler height 50". May run one 4" spoiler inside
car. Hood and trunk straps permitted. (May run hole
in hood for breather). 48" x 48" min. roof. Max.
body width 72".
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 on Johnson
Chassis. T&L type chassis must run 602 crate motor.
Racing X.Y.G. Metric Chassis Allowed. ADD 50 LBS.
(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
* 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
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 have cover the notched area
on sides and bottom of frame with .125 steel.
Must be stock. Screw jacks OK on rear only. Lowering
blocks OK. Adjustable cups OK. May cut top A-frames
to adjust camber and 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 brakes legal.
Stock caliper for make and type of car disc OK (No 4
piston calipers) any pedals; adjusters OK.
6. Wheels: Any
steel 8" maximum. Large wheel studs OK. Bead locks
OK, outward facing only.
Hoosier Tires Only!! EMOD, M500, H500. Tires
susceptible to Chemical Tire Protest.
8. Driveshaft: Any steel 1 1/2" or larger. Must be
painted white, with car number. Must have safety
Transmission: Must be stock with at least one
forward & rear working gear . Bert/Brinn type tranny
OK with reverse mount starter.
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.
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
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. 602 2800 lbs. Nesmith cars must weigh their weight and go
by their rules. Weights will be adjusted for
competition as the season starts.
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).
iron OEM only (No Bowtie or SVO). May plug, or
install vent pipes, or screens. May Plug deck and
re-drill water holes. Maximum cylinder bore of .080"
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 and pilot bushing.
Rods: Any steel
rods. No aluminum or titanium rods.
flat top Eyebrows legal.
Oil Pan: Any
wet sump oil pan.
cast iron OEM, No owtie 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, 49cc,
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 lbs.
stock diameter, steel valve permitted. Valve may
have under cut stem 2.02" (Intake) and 1.6"
(Exhaust) valve sizes are allowed.
Any steel. Single or double.
steel or titanium valve spring retainers allowed.
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.
diameter. No roller lifter.
Bowtie cast iron intake, or any aluminum, as casted.
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.
OK. Exhaust EVAC system OK.
Claimer rule on
crate motor only 604 $5,200 and 602 $3,550. Track
will keep $50. 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
Only) $300 with track retaining $100. Bottom End
protest - $600 with track retaining $100. 602/604
Motors will be treated as regular protests and bolts
are not required.
$50 straight fee to look for carb # (After Heats
Protest) $125 per tire to protest. $125 per tire
acceptance fee. 3 grooved strips removed from tire
and sent for lab testing.