1. BODY

A. BODY MUST BE NEAT AND STOCK APPEARING, STEEL, FIBERGLASS, OR ALUMINUM.

B. AFTER MARKET NOSE PIECE (ARP, HOWE, FIVE STAR, PERFORMANCE, ETC) ONLY. 15" FROM GROUND, 8" BACK. 45" MAXIMUM-CENTER OF HUB TO TIP OF NOSE. NO SQUARE CORNERS.

C. REAR OVERHANG MEASURED FROM CENTER OF REAR AXLE, 46" MAXIMUM TO FURTHEST POINT BACK, INCLUDING BUMPER.

D. MINIMUM WHEEL BASE 102"

E. GROUND CLEARANCE MINIMUM OF 3".

F. ROOF HEIGHT MINIMUM OF 45", MEASURED 10 INCHES BACK FROM WINDSHIELD, NO MORE THAN 2" DROP PERMITTED FRONT TO BACK IN CENTER OF ROOF.  MAX DROP SIDE IS 2-1/2 INCHES. MAXIMUM 102" MEASUREMENT FROM FRONT OF ROOF TO BASE OF REAR SPOILER.

G. WINDOW OPENINGS MINIMUM OF 12" BY 22" . DRIVER MUST BE ABLE TO GET OUT OF CAR ON BOTH SIDES WITH HELMET ON. NO ADD-ON PIECES IN WINDOW AREA. NO BOXING IN OF WINDOW AREA.

H. SHELF 4" MAXIMUM , MEASURED FROM FRONT WINDSHIELD POST BACK TO FRONT OF C PILLAR, PLUS 1 INCH MAX. SIDE BODY RADIUS. C PILLAR MAY TAPER INWARD NO MORE THAN 9" FROM THE EDGE OF THE BODY, AT 52" FORWARD OF THE BASE OF REAR SPOILER. C PILLAR IS TO BE MADE OF ALUMINUM IN A SHAPE RESEMBLING BODY STYLE OF CARS NOSE PIECE, MAY NOT BE CONCAVE IN ANY DIRECTION AND AT 30 DEGREE MAXIMUM ANGLE FROM VERTICAL.

I.  REAR WINDOW ANY CONTINUOUS RADIUS OF ELLIPTICAL SHAPE RESEMBLING STOCK DESIGN, BUT MAY NOT COME TO A POINT. NO V SHAPES OR CONCAVE WINDOWS, MUST REMAIN FLAT IN CENTER. NO TEAR DROP STYLE REAR WINDOWS. MUST HAVE REAR WINDOW BRACE, PLACED IN CENTER OF WINDOW.

J.  MAXIMUM HEIGHT OF REAR DECK FROM GROUND 36".

K.  REAR SPOILER MAXIMUM OF 8" HIGH X 72 " WIDE (MATERIAL ), MADE OF CLEAR MATERIAL AND BE FLAT.  BRACING MAY BE FROM FRONT OR REAR. FOR FRONT BRACING, MAXIMUM OF 3 SUPPORTS, MAXIMUM OF 3/4" ROUND TUBING ONLY.  REAR BRACING MUST BE INSET FROM SIDES OF QUARTER PANEL A MINIMUM OF 3" ON BOTH SIDES. MAX 1"  REAR FACING LIPS ONLY. MAXIMUM 42" FROM GROUND TO TOP OF SPOILER.

L.  MAXIMUM HEIGHT OF REAR BUMPER 14"

M.  REAR DECK LID MAXIMUM OF 28", FROM BASE OF REAR WINDOW TO BASE OF REAR SPOILER. DECK LID MUST BE REMOVABLE OR HAVE ACCESS PANEL.

N.  BACK PANEL MINIMUM 14" PERPENDICULAR TO THE GROUND, FULLY ENCLOSED.

O. RUB RAILS MAXIMUM OF 1" BY 1 " NO SHARP EDGES, MUST HAVE CLOSED ENDS.

P.  NO PUSH BARS ALLOWED TO PROTRUDE THROUGH NOSE PIECE.

Q.  REAR HALO BAR MEASUREMENT FROM BOTTOM OF 3 INCH FRAME RAIL TO TOP OF REAR ROLL BAR IS MINIMUM 39 1/2 INCHES WITH 1/4 INCH TOLERANCE. THE MEASUREMENT OF FRONT HALO BAR TO BE IDENTICAL 39 1/2 INCHES WITH 1/4 INCH TOLERANCE. ANY MATERIAL ADDED TO MEET THE MEASUREMENT MUST MEET THE MINIMUM ROLL CAGE SPECIFICATIONS.

R.  FULL FRONT WINDSHIELD & FULL REAR WINDOW REQUIRED, AND MUST BE COMPLETELY RIVETED AND SECURELY FASTENED, MUST BE STOCK APPEARING.

S.  ROOF MINIMUM 38" LONG BY 45" WIDE.

T.  FUEL CELL MUST BE LOCATED TO THE REAR OF REAR AXLE AND BETWEEN THE INSIDE EDGES OF THE REAR TIRES.  CELL MUST BE MINIMUM OF 8" OFF THE GROUND AT ITS LOWEST POINT.  CONTAINER MUST BE MADE OF METAL.

U.  BODY WIDTH MAXIMUM OF 82" OVER THE FRONT TIRES, STEADILY DECREASING IN WIDTH TO A MAXIMUM OF 76" AT THE CENTER OF REAR AXLE, THEN TAPERING TO A MAXIMUM OF 72" AT THE REAR SPOILER. WIDTH MEASUREMENT WILL BE TAKEN AT THE TOP OF THE BODY, ABOVE FRONT AND REAR WHEEL. MAX. OF 82" IS ALLOWED AT BOTTOM OF DOORS, BETWEEN FRONT AND REAR TIRES.

V.  MAXIMUM TRACK WIDTH WILL BE CHECKED OUTSIDE TO OUTSIDE AT BOTTOM OF TIRE 82" MAXIMUM.

W.  NO TIRES SHALL EXTEND OUTWARD PAST FENDER OR MAIN QUARTER PANEL.

2.  CHASSIS
A.  STOCK OR TUBULAR FRONT SUB FRAMES ALLOWED.
B.  COIL OVER SHOCKS & SPRINGS MAY BE USED.
C.  FRAME HEIGHT, MINIMUM 3" FROM RACING SURFACE. (MUST BE RAISED IF CAR SCRAPES TRACK)
D.   CANISTER  SHOCKS ARE NOT ALLOWED.
E.  MAXIMUM 4 SHOCKS AND 4 SPRINGS.
F.  BESIDES BRAKES, NO ADJUSTMENTS OF ANY KIND IN COCKPIT AREA WHERE DRIVER CAN ACCESS.
G.  MINIMUM WEIGHT OF CAR WITH DRIVER IS 2800 LBS.
H.  STEEL HEADS WILL BE ALLOWED 50 LBS.

3.  ENGINE
A. ENGINE MAY BE INTERCHANGABLE, NUMBER ONE SPARK PLUG MUST BE WITHIN 4" OF BALL JOINT.
B. CARBURETOR MAXIMUM OF ONE FOUR-BARREL WITH 2 RETURN SPRINGS.
C.  CAST IRON BLOCKS (ALUMINUM HEADS MAY BE USED).  MUST HAVE FUNCTIONAL STARTERS.  MAY RUN CAST IRON OR ALUMINUM INTAKE MANIFOLDS.  AIR CLEANERS ARE MANDATORY AND MUST BE UNDER HOOD.  (NO HOLES THROUGH HOOD.)
D.  DRY SUMPS, OR ANY EXTERNAL OIL PUMP SYSTEM MAY BE USED WITH A MINIMUM OF 10" CRANKSHAFT HEIGHT.  NO MINIMUM CRANKSHAFT HEIGHT ON WET SUMP ENGINES.
E.  HEADERS ARE ALLOWED; EXHAUST MUST GO BACK PAST DOORS.
F.  IF USING A STOCK CLUTCH, AN IRON BELL HOUSING OR STEEL SCATTER SHIELD MUST BE USED.
G.  NO V-6 ENGINES.
H.  $250 CLAIM ON IGNITION BOXES. IGNITION BOXES MAY BE IMPOUNDED AFTER RACE FOR 1 WEEK TO BE TESTED.  MSD BOX MUST BE MOUNTED OUT OF REACH OF DRIVER SITTING IN CAR.

4. DRIVE LINE
A.  NO FOUR-WHEEL OR ALL WHEEL DRIVE, OR AUTOMATIC TRANSMISSIONS.  MUST HAVE REVERSE GEAR.
B.  FLOATER WIDE FIVE OR QUICK CHANGE REAR ENDS ARE ALLOWED.
C.  MUST HAVE FOUR WHEEL OPERATING BRAKES, IRON ROTORS ONLY.
D.  DRIVE SHAFT MUST BE PAINTED WHITE, AND HAVE SAFETY HOOP.

5. FUEL SYSTEM
A.  FUEL CELL IS MANDATORY, MUST HAVE APPROVED GUARD, AND MUST HAVE 8" GROUND CLEARANCE.
B.  STEEL LINES OR BRAIDED HOSE MUST BE USED AS FUEL LINE FROM FUEL SOURCE TO FUEL PUMP.  RUBBER HOSE MAY BE USED AT FUEL SOURCE AND FUEL PUMP CONNECTIONS. NO FUEL LINE IN COCKPIT AREA.
C.  NO ALCOHOL OR NITROUS OXIDE.
D.  FUEL CELL MUST BE MOUNTED BETWEEN REAR TIRES AND BETWEEN FRAME RAILS.

6. TIRES AND WHEELS
 MAXIMUM 10" WIDE STEEL OR ALUMINUM SAFETY WHEELS. NO CARBON FIBER OR PLASTIC WHEELS.


7. MISCELLANEOUS
A. NO ELECTRIC OR HYDRAULIC TRACTIONAL DEVICES ALLOWED.
B. ANY INFRACTIONS FROM THESE RULES ARE SUBJECT TO A WEIGHT PENALTY OR WILL NOT RACE UNTIL CAR MEETS RULES.
C.  BALLAST WEIGHT MUST BE PAINTED WHITE AND HAVE CAR NUMBER ON IT.