360 Sprint Class Rules
Body
A. All bodies and body components shall be of an upright design and sprint car appearance
B. The definition of an upright design is a conventional front mounted engine in which the vertical position is to be maintined as closely as possible with a maximum of 1/2 " offset
C. The driver may not be positioned in front of the engine
D. The driver may not be positioned on the side of the engine
E. The driver may not be positioned beside the drive shaft
Chassis
A. Chassis main rails and roll cage will be constructed of steel tubing of 1 3/8" minimum and of .095 wall thickness
Wheel Base
A. Minimum wheelbase shall be 84" measured from the center of the front hub to the center of the rear hub
B. MAximum wheelbase shall be 90"
Engine
A. Any make automobile engine originally produced by an american automobile manufacturer
B. Engine block must be cast iron
C. Maximum displacement , including clearance and wear shall not exceed 365 cubic inches
Heads
A. Cast iron or aluminum heads allowed
B. Porting, polishing, grinding or port matching allowed
C. Grinding or polishing in the valve bowl area is allowed
Driveline
A. All drive lines mus be broken in the the coupler or rear slider
B. All drivelines must be enclosed and contain no more than 1 u-joint and that must be in the front of the driveline
Rear Ends
A. Optional
B. Quick change allowed
Suspension
A. All Suspension must be mchanical with no form of electrical assistance
B. No independant rear suspension
Wings
A. Maximum size shall be 25 feet square on the top horizontal section
B. Wing may be no wider than 60"
C. Wing may not extend further than the outer edge of the rear tire being run
D. Maximum size of verticl side panels shall be no more than 10 square feet per side , including lip on top and bottom
E. No flaps or rudders may be attached to the side boards or center sections
F. The top wing must be parallel tothe ground
G. Maximum size of nose wing shall be 2"x3"
Brakes
A. All cars must have a minimum of two hydraulic brakes
B. One brake front , one brake rear
C. Brakes must be kept in good orking order
Wheels
A. Foam rubber insert wheel covers will be the only type of wheel cover accepted
Fuel Cell
A. Use of fuel cell is required in all cars
B. Fuel cell shall be securely mounted
C. Use of fuel shut off valve required, valve will be in reach of driver while strapped in car
D. Use of vinyl or plastic fuel lines not allowed
Fuel
A. Fuel is restricted to gas or methanol
B. No additives allowed
C. Fuel is subject to testing at any time by track official
Body
A. All bodies and body components shall be of an upright design and sprint car appearance
B. The definition of an upright design is a conventional front mounted engine in which the vertical position is to be maintined as closely as possible with a maximum of 1/2 " offset
C. The driver may not be positioned in front of the engine
D. The driver may not be positioned on the side of the engine
E. The driver may not be positioned beside the drive shaft
Chassis
A. Chassis main rails and roll cage will be constructed of steel tubing of 1 3/8" minimum and of .095 wall thickness
Wheel Base
A. Minimum wheelbase shall be 84" measured from the center of the front hub to the center of the rear hub
B. MAximum wheelbase shall be 90"
Engine
A. Any make automobile engine originally produced by an american automobile manufacturer
B. Engine block must be cast iron
C. Maximum displacement , including clearance and wear shall not exceed 365 cubic inches
Heads
A. Cast iron or aluminum heads allowed
B. Porting, polishing, grinding or port matching allowed
C. Grinding or polishing in the valve bowl area is allowed
Driveline
A. All drive lines mus be broken in the the coupler or rear slider
B. All drivelines must be enclosed and contain no more than 1 u-joint and that must be in the front of the driveline
Rear Ends
A. Optional
B. Quick change allowed
Suspension
A. All Suspension must be mchanical with no form of electrical assistance
B. No independant rear suspension
Wings
A. Maximum size shall be 25 feet square on the top horizontal section
B. Wing may be no wider than 60"
C. Wing may not extend further than the outer edge of the rear tire being run
D. Maximum size of verticl side panels shall be no more than 10 square feet per side , including lip on top and bottom
E. No flaps or rudders may be attached to the side boards or center sections
F. The top wing must be parallel tothe ground
G. Maximum size of nose wing shall be 2"x3"
Brakes
A. All cars must have a minimum of two hydraulic brakes
B. One brake front , one brake rear
C. Brakes must be kept in good orking order
Wheels
A. Foam rubber insert wheel covers will be the only type of wheel cover accepted
Fuel Cell
A. Use of fuel cell is required in all cars
B. Fuel cell shall be securely mounted
C. Use of fuel shut off valve required, valve will be in reach of driver while strapped in car
D. Use of vinyl or plastic fuel lines not allowed
Fuel
A. Fuel is restricted to gas or methanol
B. No additives allowed
C. Fuel is subject to testing at any time by track official