Limited Sportsman


* Stock unless otherwise stated.

* Must add 50 pounds if perches are moved.

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".

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 on Johnson Chassis. 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 Parts
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.

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 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.

Shocks- Steel body non-adjustable racing shocks OK. NO Schrader valves. Hypervalve or external fill port must be covered with JB weld. NO bump stop on shocks. 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 to adjust for pinion angle ONLY. NO coil over type adjustments. Heim joints allowed only where stated. Shock Claim- Front- $150 each. Rear- $200 each including Heims.

4. Rearend: May run 9" Ford. Floater legal. Disc brakes legal.

5. Brakes: 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.

7. Tires: 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 loop.

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. Dart Heads 3200 lbs. after race. Crate engine cars running 604 2950 lbs after race, 50 lbs of total weight added in front of firewall for aluminum heads. (Tech man will check for weight on firewall at scales) Crate engine cars running 602 2800 lbs after race. Super Street cars running Carolina Speedway rules- 3000 lbs-492 small valve heads with stock tranny- 3100 lbs- 492 small valve heads with Bert/Brinn style tranny. Cars claiming Durrence Layne rules must weigh their weight by DL rules. Weights will be adjusted for competition as the season starts.

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 and re-drill water holes. Maximum cylinder bore of .080"

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 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, 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.

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 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.

Engine Claim

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 1st choice.


(Two Things 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.

(Under Hood Visual Protest) $50 straight fee to look for carb # (After Heats Only).

Shock Claim- Front- $150 each. Rear- $200 each including Heims.

(Tire Chemical Protest) $125 per tire to protest. $125 per tire acceptance fee. 3 grooved strips removed from tire and sent for lab testing.


COMPLETE CRATE ENGINE PROTEST RULE: Protest Fee is $1000 and Acceptance Fee is $400. The winner of the protest receives $1000 and SECA/TRACK receives $400 to compensate those involved in the technical inspection process. In the case of a full engine protest, TRACK or SECA representative will claim engine and meet at "selected" technical inspector's business at the appointed time. Illegal parts may be confiscated and destroyed!