S P O R T S M A N R U L E S

ENGINE:

1. 362 CU IN MAX

2. ANY STEELCRANK WITH STOCK STROKE CHEVY 3.48 .325,ETC.

FORD 3.00 3.50, ETC. DODGE 3.31 3.58 ETC

3. NO TITANIUM RODS

4. FLAT TOP PISTONS

5. CAST IRON BLOCK ONLY

HEADS:

1. ANY CAST IRON HEAD BASED ON FACTORY OEM DESIGN.

20 DEGREE MINIMUM VALVE ANGLE

2. INTAKE AND EXHAUST PORTS OEM DESIGN NO PORTING

3. STRAIGHT PLUG HEADS WITH 1.94 IN 1.50 EX 2300 POUNDS

4. ANGLE PLUG HEAD OR LARGER THAN STATED VALVE SIZE ADD 50 POUNDS

VALVES:

1. NO TITANIUM VALVES

2. MINIMUM STEM DIAMETER 11/32″

3. MAXIMUM VALVE 2.055″ INTAKE 1.650″ EXHAUST

4. NO PORTING OR POLISHING

5. MACHINE BOWL CUTS ONLY N0 GRINDING

6. ANY SPRING / RETAINER / ROCKER ARMS / STUD GIRDLES ALLOWED

CAMS:

1. FLAT TAPPET ONLY

2. NO ROLLER OR MUSHROOM LIFTERS

3. LIFTER OEM DIAMETER ONLY CHEVY .842 / FORD .870 / DODGE .901

IGNITION:

1. STOCK TYPE DISTRIBUTOR OR MAG OK

2. ANY BOX ALLOWED (MSD TYPE)

INDUCTION:

1. 750 CFM MAX 1 11/16″ DIAMETER THROTTLE PLATE MAX

2. ANY INTAKE

3. ANY SPACER

4. GAS ONLY, NO ALCOHOL OR BOOSTERS

5. FUEL CELL CAN REQUIRED WITH 2″ STRAPS AROUND ENTIRE CELL

EXHAUST:

1. NO GRASS BURNERS

2. MUFFLERS NOT REQUIRED

OILING:

1. NO DRY SUMPS

2. EXTERNAL WET SUMP OK (NO EXTERNAL TANK)

3. EXTERNAL FILTERS AND COOLERS OK

DRIVELINE:

1. ANY CLUTCH

2. ANY TRANS

3. ANY REAR END

4 ANY DRIVE SHAFT, DRIVE SHAFT RETAINER (LOOP) RECOMMENDED

SUSPENSION:

1. ANY SHOCK

2. ANY A ARMS

3. ANY REAR LINKS

BRAKES:

1. NO EXOTIC MATERIALS (CARBON ROTORS ETC.)

2. SHUT OFFS OK

3. ADJUSTERS OK

WHEELS AND TIRES:

1. 14” MAX WIDTH

2. HOOSIER D-55 OR AMERICAN RACER MD-56 OR SPEC 60 HARDNESS

3. MUST CHECK 60 ON DUROMETER

WHEELBASE:

1. 103 INCH WITH 1/2″ TOLERANCE

ENGINE SET BACK:

1. TUBE FRAME 6 INCHES FROM #1 PLUG TO UPPER BALL JOINT CENTER

2. STOCK CLIP 10 INCHES FROM #1 PLUG TO UPPER BALL JOINT CENTER

BODY:

1. SAS RULES APPLY

2. 8 INCH SPOILER ON TUBE CAR

3. 12 INCH SPOILER ON STOCK CLIP CAR

4. SPOILER MUST BE MADE OF SEE THROUGH MATERIAL

RADIOS:

RADIOS OK

ANY RULE NOT COVERED IN THIS BOOK WILL BE DECIDED BY INSPECTOR. INSPECTOR’S AND TRACK OFFICIALS DECISIONS WILL BE FINAL.

Leave a Reply

Your email address will not be published.

Begin typing your search term above and press enter to search. Press ESC to cancel.

Back To Top