LATE MODEL SPORTSMAN RULES
BLOCK: Cast iron only. 362 cubic inch max.
HEADS: Steel, 23 degree only. Ford 10 degree.
CRANK: Any steel crank 49.5 lbs minimum weight.
RODS: NO titanium or aluminum rods.
PISTONS: Any flat top pistons and pins. cannot come out of block.
CAM: Flat Tappet LIFTERS, no mushroom or ceramic. OEM diameter only. Chevy .842, Ford .875, & Chry .903. Roller Cam ADD 50 lbs
VALVE: Max. intake 2.05 & exhaust 1.60. stem 11/32 min. No titanium.
INTAKE / CARBURETOR: Any 1 four barrel permitted. GAS ONLY
IGNITION: Any point or electronic ignition. (No traction control)
TIRES: REAR Tire Rule Only (American Racer 56).
(Hoosier shoulder plated spec 55/1600 must durometer 60).
BODY: Lucas body/spoiler rules.
WEIGHT: 2400 lbs. dry sump Add 50 lbs
(CRATE MOTOR: 602 2100 lbs)(604 2200 lbs.) 12x32 left side spoiler) Any Tire.
(TRACK RETAINS RIGHT to adjust weight & let any CAR RACE & WEIGHT / RULES may be ADJUSTED TO EQUAL COMPETITION)
PROTEST:
- $400 to pull (1) Head & Bore
- COMPLETE to bottom $600.
- Visual: $100.00 Track retains 1/3.
* CLEVELAND SPEEDWAY STEEL HEAD RULES 2350 LBS *
** WINCHESTER SPEEDWAY 2 BL LIMIT LM RULES 2300 LBS **
TO GET THESE WEIGHT BREAK MUST BE LEGAL BY THEIR RULES