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Rules: Greg Folk gregtfolk@yahoo.com
Events: Gregg McKarns 815-633-1500

SAFETY AND APPEARANCE
SEATS
Approved aluminum driver's seat required.
Seat must be fastened to frame/roll cage and located to give adequate distance from driver's arm to door bars.
Shoulder supports on right and left sides of seat and head support on right are required.
Full containment seats recommended.

SAFETY BELTS
Minimum 3-inch wide lap belt, 3-inch wide shoulder harness and submarine (crotch) strap required.
Belts must be anchored to roll cage or frame. Grade "5" bolts and hardware required.
Shoulder harness must not be anchored lower than 2-inches below drivers shoulder height.
Belts must be dated 2006 or newer.
6-point belts (double crotch strap) are recommended.

DRIVING COMPARTMENT
Cockpit must be completely sealed off from engine compartment and fuel cell.
Padding required around driver including steering post
Securely mounted fully charged fire extinguisher with visible dial type gauge required.
Ribbon or mesh type window net with belt buckle release required. Buckle located at top/front recommended.
Clearly labeled push-pull or toggle type kill switch accessible from either side of car required.
No suspension components including stabilizer bar can be adjustable from the driving compartment.

DRIVER'S ATTIRE
Complete approved fire retardant driving suit and gloves required.
Eye protection and a Snell SA-2000 helmet or newer required.
SFI-38.1 Head and Neck restraints, fireproof shoes, and fire systems recommended.

APPEARANCE
A professional appearing paint job in an attractive color required. All lettering must be professional and in good taste.
Numbers: 18-inches on both doors, and roof, readable from the right side.
1” square rub rails allowed, mounting must be within 3” of ends & ends must be tapered and capped.
MISC
Management and/or officials reserve the right to impound a car at any time for any reason
All parts declared illegal by inspection will be confiscated by Officials and disposed of at their discretion.

CHASSIS, ENGINE & BODY
WHEELBASE & TREAD WIDTH
Minimum wheelbase 104”.
Maximum tread width 65”, measured center to center of tires at spindle height (front and rear).

CHASSIS
Tube or stock stub allowed. Frame rails must be a minimum of 2-inch by 3-inch .125 wall tubing.
Minimum ground clearance 3.5” with driver!

ROLL CAGE
All roll cage tubing must be at least 1.75” x .090” wall. Welded gussets required on all joints. At least four evenly spaced horizontal bars required on left, and three on right side. X-configuration on right side, counts as one bar.
All door bars must be mounted to the frame rails and the main roll cage uprights.
Door bars must be connected with a minimum of two equally spaced vertical tubes.
Left side door bar deflector plates of at least .125” steel required. Diagonal bar in top hoop required.
Floor pan under driver must be heavy-gauge steel.

SUSPENSION
Conventionally mounted 5-inch springs or coil over type suspensions.
Approved Non-Adjustable Shocks; Afco 13T, R, S series, Bilstein SZ, SN series, Carrera 6100, Pro A, AC, TA (Steel), PG (Pro Gas) series, QA1 21, 50, 62, 67 series, ARS 2000, Afco 21 series. Manufacturers components must be used, valving optional.
Post Race shock disassembly is the responsibility of the Car Owner/Crew Chief. Bring Tools or make arrangements.
NO Bump-Stops/Rubbers, Compression-limiting or Coil-Bind set-ups.
One shock/spring per wheel. One (1) conventional (single coil), spring rubber per spring allowed.
Rear suspension must be solidly mounted (no rubber bushings). Heim Joints only.
No lift bar, fifth coil or other spring-loaded/hydraulic suspension device allowed. No rear stabilizer bars.

SPINDLES & HUBS
Any steel spindle allowed. Aluminum steering-arm and ball-joint mounts allowed. Aftermarket hubs with 5/8” wheel studs required. No gun-drilled studs permitted.
Wide five hubs and spindles allowed with no weight penalty.

STEERING
Rack & Pinion, or steering box with center link style required. No electric power steering units.
Quick release steering wheel hub required.
Collapsible steering shaft recommended.

REAR END
Stock or rear spur gear type quick change units with steel tubes, No mini type quick change. Maximum camber ½ degree.
Spool, Detroit Locker (ratchet type), and Torque Sensing, differentials are permitted.
One-piece straight spline drive plates only. Drain plugs must be safety wired.

BRAKES
Four wheel brakes required at all times.
Single or dual piston (steel or aluminum) calipers.
Four (4) piston calipers allowed with 30 lb weight penalty. Maximum retail price $190.
Rigid mounted rotors, maximum diameter 12¼” rotors, no drilling permitted.
No floating calipers or rotors, no self centering rotors, ABS units or brake recirculation systems.
Only one brake bias adjusting unit per car.

ENGINE LOCATION
GM engines must be located so that the center of the furthest forward spark plug hole is no more than 2” behind the front axle centerline.
Ford and Chrysler allowed 4” engine set back.
Crankshaft centerline 10” minimum ground clearance.

ENGINES
Limited Concept Engine – Call for provisions, where home track rules differ.
Two valves per cylinder. No aluminum blocks or heads. GM & Ford - 362 CID maximum, Chrysler - 373 CID maximum. All engines must meet the following specifications regardless of manufacturer: Stock or stock replacement cast iron unaltered heads with factory valve angles (no angle milling, porting, polishing, acid dipping allowed). GM Bowtie numbers 14011058, 10134392,(casting number 14011034 and 12480034), World Products Sportsman II numbers 011150, 011250 allowed. Ford 351N and 352N heads, World Products Windsor Sr. 053040 allowed. Chrysler 5249769 and 4529446 heads. Casting numbers must be visible on all heads. Gasket matching not permitted. Minimum combustion chamber 62cc, maximum 2.02-inch intake and 1.6-inch exhaust valves required. Flat top pistons required. A minimum of zero deck height required. 10.8 to one maximum compression ratio. Connecting rods must be magnetic steel. Honda journal rods not permitted. A 3/4” NPT inspection hole in oil pan required. Inspection hole must be located in line with second or third rod journal of crankshaft, on either side of pan and above sump area (oil level). Hole in windage tray in line with inspection hole required. Valve spring retainers are the only titanium parts allowed. No radius edge lifters. Lifters must be able to rotate in their bores. No roller or mushroom cam/lifters. Maximum valve lift - .600” (measured at retainer). OEM style rocker arm mounting required. Firing order may not be altered. Ignition system may not be computerized, programmable or have memory circuits. No magnetos, crank trigger, multiple coil or programmable ignition systems allowed. Production type steel crankshaft with normal configuration counter weights. No dry-sump or vacuum systems of any kind allowed. External single stage oil pump allowed on Ford engines. OEM type, mechanical fuel pump, in original location, required. Chrysler engines add 20 lbs. for CID over 362.
Intake Manifold: Edelbrock Victor Jr. 2975 (GM), 2915, 2920 (Chrysler), 2921, 2980, 2981 (Ford). Plenum and port configuration must remain as-produced. No porting modifications, including gasket matching. No spacer/Adaptor plates to head. If Bee-Hive valve springs are used, the competitor will be required to switch to conventional style valve springs for post race tech purposes.
GM Crate Engine
Part number 88958604, must be used as produced. Maximum 2”set back.
Ignition: MSD with Rev-control required. Mounting on right side of dash required.
RPM limit will be listed on the Event Entry Form.
Carburetor: Holley 650-HP P/N 80541-1 required. No modifications allowed.
All crate engines may not be altered from factory specs. Any evidence of tampering with engine components will result in disqualification, confiscation, fine, and suspension for balance of season.
Tech staff reserves the right to impound motors for inspection or dyno testing.
Factory/Certification Seals may be removed by Officials for tech purposes, allowing for more in-depth technical inspection throughout the season.
GM Crate engines with any or all of the ASALM updates will weigh 2825 lbs. Specific updates are; 1.6 rocker arms, Small Harmonic Balancer, Carb Spacer
Carburetor: Holley 4412-2 bbl. Holley 4412 Carburetor Rework Guidelines:
Body of Carbs: No polishing, coating, grinding, or drilling of holes allowed. Gasket surfaces may be machined for improved
sealing. The choke may be removed, but all screw holes must be permanently sealed. Choke horn may not be removed.
Boosters may not be changed including no additional holes. Height, size, and shape must remain standard and unaltered.
Venturi area must not be altered. Casting ring must not be removed. Base plate must not be altered in shape or size.
Butterflies: Must not be thinned or tapered. Screw ends may be cut even with shafts, but screw heads must remain standard.
Throttle Shafts: Shafts must remain standard and must not be thinned or cut in any manner. Metering block may be plugged, no additional holes allowed, must remain stock appearing for carb style, no aftermarket blocks permitted.
Any attempt to pull outside air other than straight down through the venture is not permitted.
Jets may be changed. No dial-a-jet devices.
No addition of any material, such as epoxy, may be added to carb or parts except to seal vacated external screw holes.
Epoxy allowed on boosters of 4412-2 bbl. at main body only.
Carb Adaptor: 1.5” max thick w/gaskets. Bores must be straight (not tapered, angled beveled or grooved). Original orientation required. No part of adaptor may protrude into plenum of Intake Manifold. Adaptors are one piece only.

RETURN SPRINGS & AIR CLEANER
Double return springs required
Air boxes allowed with cowl inlet only.

EXHAUST
Headers allowed on all engines (max retail price $650). Tri-Y not allowed, no Merge-Collectors.
Exhaust must remain under car body and exhaust must exit behind driver, beneath car, pointing downward. 100-decibel max.
NO custom, one of a kind or homemade headers.

CLUTCH, TRANSMISSION & DRIVESHAFT
Stock transmission with operating reverse gear required. No straight cut gears. Counter gear must be driven by input shaft.
Made-for-racing clutch required. Two disk 5 ½” minimum. Carbon clutch not permitted.
Minimum diameter 2½” driveshaft. Safety hoop required on front half of driveshaft.
Driveshaft must be painted a bright reflective color.

RADIATOR/COOLING
Metal radiator mounted in front of engine, between frame horns.
Fan protection and overflow tank located in engine compartment required.
Water pump must be stock type in stock location.
Antifreeze is not allowed.

FUEL & FUEL CELL
Fuel cell complete with 1/8” steel can, interior bladder, foam baffle and rollover valve required. No deflector plates.
Fuel cell must be mounted behind rear axle, between frame rails.
Over-Tail chassis – maximum 15 gallon capacity (25”x18”x10”) and must have ASA bar.
Bottom of fuel cell must be at least 10 inches from the ground.
Filler must be accessed through deck lid. Filler spout may be extended, but not connected to bodywork.
All vents must be valved to eliminate leakage.
Aeroquip or equivalent gas line required. Routing must be outside of cockpit and protected from damage.
Fuel must meet specific gravity test numbers based on track pump fuel.

BODY & APPEARANCE
Five Star, ARP or equivalent template short track late model body only.
Minimum roof height 47".
Spoiler: Single plane, 5"(measured from deck plane) x 60"(measured across rear) max.
Deck height 34.5” max.
Minimum ground clearance including nose and rocker panel is 4”.
All windows must be of Lexan. 12” max vent (wing) window.
No venting of non-cockpit air through opera or side windows
Weight penalties may be assessed for bodies not conforming to Five Star guidelines, dimensions, and/or templates.

WEIGHT
Limited Concept Engine – 2850 lbs. Chrysler over 362 – 2870 lbs.
GM Crate Engine with RPM Rev-control – 2775 lbs.
GM Crate Engine with updates and RPM Rev-control – 2825 lbs.
LaCrosse 9 to 1 iron intake & exhaust, conventional springs, GM brakes – 2825 lbs. (LaCrosse shock rule applies)
Add 30 lbs for four (4) piston brake calipers.
Gas allowance for Heats and Features will be listed on the Event Entry Form.
Front axle 49% and right side 42% apply at all times. All weights include driver in seat.
Ballast must be painted white and lettered with car number.

WHEELS & TIRES
Aftermarket made for racing, steel wheels required. 15” x 8” maximum.
Approved Big 8 Series Tires allowed. Tire availability to be posted on entry form.
Chemical treatment of tires (softening) not permitted.
All tires will be checked for maximum tread-depth and wear (feather) prior to Qualifying.
Maximum tread-depth is new minus 1/32nd inch.
Failure to meet tread-depth maximum results in loss of qualifying lap.
All tires will be marked during qualifying and must be used in all events.

RADIOS: All radio frequencies must be registered with the tech officials.

TOW HOOKS: Tow hooks on front and rear required.

BATTERY: 12-volt systems max.
Batteries must be securely mounted ahead of rear axle, away from fuel cell and lines.
Batteries in driving compartment must be in approved sealed battery box.
Battery (negative post) disconnect switch recommended.