Late Model Rules
BODY
• Commonly accepted late model body rules are in effect. Must meet all body rules of IMCA, MLRA, NASCAR or WDRL. Other body rules subject to approval of the promoter.
• 8” x 72” spoiler maximum with all engine combinations.
ENGINE
• IMCA spec motor allowed with 390 carb @ 2300# & 8” maximum setback;
• IMCA spec motor allowed with open carb @ 2350# & 8” maximum setback (IMCA spec is defined as the engine must meet all rules for IMCA, intake spacer optional);
• Steel head motor allowed with open carb @ 2350# & 8” maximum setback;
• Open motor less than 365 c.i. with 390 carb @ 2350# & 8” maximum setback;
• Open motor over 365 c.i. with 390 carb @ 2400# & 6” setback (open motor is defined as built with unrestricted compression and/or head and intake porting).
• 390 carbs must pass IMCA or NASCAR gauges to be legal.
• All motor setback is to be measured from the centerline of upper ball joints to center of #1 spark plug.
• Gasoline is the only allowable fuel and must be contained in a maximum 32-gallon fuel cell with approved metal canister and mounting framework.
• Dry sump is legal for all engine combinations.
• Any engine utilizing an aluminum block must add 50# in front of the motor plate. This weight is included in the total for the chosen engine combination and is not in addition to the weight limits listed above.
TIRES & WHEELS
• American Racer EC2; Hoosier WRS D55 or D55-2; IMCA-stamped Hoosier.
• Grooving, grinding and/or siping tires is allowed.
• Maximum 14” wide wheels.
• Beadlocks allowed on any wheel.
CHASSIS & SUSPENSION
• Must Comply to IMCA, MLRA, NASCAR or WDRL rules.