BUTLER MOTOR SPEEDWAY – 2009 SPORTSMAN RULES
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ENGINE 3" set back maximum measured from the #1 ball joint. NO ALUMINUM HEADS OR BLOCKS.
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TRACTION CONROL devices are strictly prohibited. The penalty for having traction control will be loss of money and points for the night and 3 weeks off.
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FUEL Both Racing Fuel and Alcohol.
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ROLL CAGE Must be Grand National design with upright supports. Must have halo bar. Four door bars are required in the driver's door. Cage construction should be a minimum of 1 ½" OD tubing (090). No aluminum tubing. The driver's seat must be securely fastened at bottom and back of the roll cage. Must have steel plate 18" x 24" x 1/8" in the driver's door, must have steel plate 6" x 12" x 1/8" behind the seat in front of the trailing arms.
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FRAME All Sportsman will have minimum 104" wheelbase. All vehicles will be stripped completely of interior, except driver's seat which will be securely fastened to the roll cage, and will be equipped with a head rest or a high back racing seat and will be subject to local track inspection. UNIBODY CARS: Rear portion on unibody cars, starting at the leaf spring mounts, may be fabricated or reinforced. The front sub and rear clip must be connected with MINIMUM 2"x2" square tubing. CAMARO AND FIREBIRD FRONT SUB FRAMES OR UNIBODIED CARS MUST BE 1981 OR OLDER. NO EXCEPTIONS!!! Must be stock front sub with stock lower control arm mounts.
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CAR BODY After market bodies are allowed. Body must cover at least ½ of the tire. No side windows or air deflectors allowed. Stock NOSE PIECES ONLY. NO altering of STOCK nosepiece allowed. Minimum roof height 45". Rear bumper cover or panel at least 14" high covering entire width of car. Stock appearing bodies only. NO EXOCTIC BODIES. All roofs must be 41" from front to back minimum and 48" wide side-to-side minimum. Rounded and tapered stock appearing roofs only! No partial roofs. No flat roofs. Roofs can be no more than 45" from front to back maximum and 54" from side to side maximum. No dished out roofs. No wings attached to roof or to side posts. No built in fiberglass air dams. Must be stock appearing. All roof posts must meet outside of car. Must be a full roof. Side vents on front roof post can extend back no further than 16" bottom, then straight up to roof for an L-configuration. Side vents must meet outside of car. Front roof supports to be 2"x24". Rear bumper not to extend beyond quarter panel, but must fill area inside panels, tolerance, 2" each side. No support bars blocking right exit from cockpit allowed. No side nerf bars, No modified looking bodies at all.
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DRIVE SHAFT must be painted white and have hoop located on the forward 1/3 to prevent it from dropping onto the track.
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BATTERY May be located anywhere outside the driver's compartment. It must arrive at the track fully charged, and must be securely mounted and covered. Car must start under own power in the staging area.
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BRAKES Four-wheel hydraulic brakes. All in working condition. Neal type brake assembly permitted. No shut-off valves.
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CLUTCH No (in and out) boxes. Must all be clutch operated (with motor running and car in still position, driver must be able to engage car in gear and move forward and backward at time of inspection). Clutch must be inside of bell housing.
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GLASS Windshield optional. If used, it MUST be safety glass, Lexan, or heavy screen. NO MIRRORS ALLOWED.
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HOODS Must be securely fastened, subject to track inspection. A metal air cleaner is mandatory.
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IGNITION MSD ignition allowed. Any stock appearing distributor. No crank fire ignitions.
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FUEL PUMP Mechanical pumps only. No electric fuel pumps.
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FUEL CELLS MANDATORY. Must have check valve on fill pipe. Must have canister around tank. Must have approved loop behind the fuel cell. Eight (8) inch clearance. Alcohol cars need shut off value in drivers compartment, this will be mandatory.
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RADIATOR Any type of radiator may be used. Must be in front of the car and not extend through the hood.
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REAR AXLE Stock rear-ends and floating rear-end. Locked rear-end allowed. QUICK CHANGE REAR-ENDS allowed.
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SHOCKS One shock absorber per wheel. No air coil-overs or struts allowed on the front or rear. Steel racing shocks are OK on the front and rear. One biscut allowed mounted from top of rear end housing to roll cage.
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STARTER must be in working order. ALL CARS MUST START UNDER THEIR OWN POWER IN THE STAGING AREA.
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SUSPENSION NO coil over spring. All spring must be over 4 ½" in diameter. Front springs must be in stock location. Adjustable sway bars and adjustable pan hard bars o.k. Stock type mounted; steel cross shaft tubular upper control arms are permitted. No 5th coils. Screw jacks are allowed. Heim joints may be ¾" (minimum) all steel on rear suspension. No coil over eliminator. ALL BRACKETS MUST BE WELDED ON REAR END. No swing arm suspension. 2 Trailing arms, 1 pan hard bar, 1 pull bar or lift bar max. No bird cages. No floating suspension on axle tube. One Coil spring and one shock on each corner. Leaf spring cars leaf only no leaf & coils will be allowed – NO EXCEPTIONS
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TRANSMISSION Any transmission, manual or automatic. Bert – Brinn – Falcon made for racing or must have a dis-engaugeable drive train. No direct drive systems. NO quick change transmissions.
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WRECKER HOOKS MANDATORY - FRONT AND REAR. Cable or chain preferred. Tow hook cannot extend in front of car. Both must be easily accessible. If there are no wrecker hooks on the car, it will be pushed, towed, or dragged to the infield until after the racing program is completed.
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STEERING Quick steers are OK. Rack and pinion steering OK.
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HUBS & WHEELS Eight (8) inch wheels maximum. A commercial wheel is recommended. Wide 5s allowed. Car MUST be equipped with safety wheels on the right side and large safety lug nuts. NO PLASTIC OR CARBON FIBER WHEEL ALLOWED.
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WEIGHT 2,800 lbs minimum at all times. Added weight MUST be in plain sight, painted white or silver, MUST have the car number painted on it in a contrasting color and must be readable. No cement or liquid style weights. Weights must be securely mounted to the car with the minimum of two (2) ½" bolts and nuts per 50 pounds of weight. Loss of any weights may be grounds for disqualification. No weight on rear bumper or outside body of the car.
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TIRES To be determined and announced later.
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MANDATORY SAFETY EQUIPMENT
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SNELL SA 2000 approved helmet with sticker
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Flame retardant diver suit
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Flame retardant racing gloves
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Some type of neck restraint device must be worn at all time on the track Neck collar, Hans devise, D-cell or G-force
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Inside of roll cage must have protection padding where head can make contact
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5 point seat belts must have manufactured tag with date not to exceed 5 years old. Belts must be installed to manufacturer's specifications.
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An operational 2-½ pound minimum fire extinguisher with gauge visible for inspection purpose mandatory.
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All cars must have aluminum racing seat and attached directly to roll cage
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Mandatory 1/8" steel for drivers door.
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All cars must run a window net on driver's side that latches at the top.