Butler Motor Speedway, INC rules All divisions will have the following rules:1. All divisions must be ready to warm up or race when the white flag is thrown for previous warm up session or race, a chain will be drawn across staging lane. If you are not in line you will not warm up or race. No drivers or crewmembers are allowed in the timing tower. 2. All divisions will be required to have an individual to be their representative. 3. Working mufflers. 4. Fireproof driving uniforms and gloves. No leather, etc. SEMA approved helmets. Neck Collars Mandatory in all classes. 5. Racing seats. Aluminum mandatory in 1998. 6. Five point safety belts, sub belts, shoulder harness required. No factory type shoulder belts or straps should be used. Metal to metal buckles are required on shoulder and seat belts. The shoulder harness shall be mounted securely to the roll cage. Seat belts and shoulder harness recommended not being more than one year old. 7. Kill switch required within easy reach of driver. This switch shall be clearly marked “off and on”. 8. Window nets mandatory. Must be securely mounted. 9. No radio communications. 10. Fuel cells (all divisions). 11. No mirrors 12. No cars will return to the track after the green flag has been displayed. 13. Neck Collars Mandatory in ALL Classes. 14. If any rule has been omitted, final decision is the Speedway Officials. RULE ENFORCEMENT All cars are subject to weight rule. Cars will be weighted on platform scales. The Race Director will be responsible for enforcement of the rules at anytime before or after event. SCORING RULES All scoring shall be done by the competing lap. All restarts will revert back to the last completed lap. Visible numbers have been a problem in the past. All cars shall have visible numbers that are contrasting color with the car. All decisions of the scorers are final. If you have a question, please wait until the racing program is over. No one will be allowed in the control tower at any time. The following time limits will be placed on each event at the discretion of speedway officials: 15 minutes maximum per Heat Race 15 minutes maximum per B-Main After the time limit has expired, a white flag will be displayed, followed by the checkered flag. NOTE: WE WILL NO LONGER HOLD UP ANY EVENT FOR CHANGING OF FLAT TIRES. A two stop rule will be enforced. Any driver stopping on the track for any reason unless directed by an official, will be sent to the pits. ANY DRIVER STOPPED TWICE IN AN EVENT WILL BE SENT TO THE PITS. A three stop rule will apply in the feature only. POINT SYSTEM All non-sanctioned races, plus the season championship, will be for points. Any sanctioned race will be left to the discretion of the promoter. Points will not be recorded until the car is registered and the $10 registration fee is paid. Detroit Iron DivisionThis division is becoming one of the nicest looking Stock car divisions in Michigan! Keep it up! No cars will be able to run if it looks like it just came out of a demo derby! Car & Body 1. 1970 or newer American made stock passenger automobile with factory steel top. Sunroofs and T-tops must be reinforced and enclosed. 2. 105” wheel base minimum. No tolerance. 3. All bodies must be stock appearing. Car Bodies MAY be interchanged on Frames for instance 95 Monte Carlo, Grand Prix may be put on 1976 frame. No altering or channeling of body allowed. The fenders may be trimmed (within reason) for tire clearance only. ALL SHARP EDGES, TORN FENDERS AND BODY PANELS TO BE REPAIRED PRIOR TO NEXT RACE. FENDERS, DOOR, QUARTER MAY BE REPLACED WITH ALUMINUM OR STEEL TOP OF FENDER & QUARTER MUST REMAIN STOCK. 50" rear spoiler 8" HIGH WITH 3 VERTICALS. 4. Full floorboards must remain intact and visible with a metal firewall separating the drive from the fuel tank and trunk area. Stock floor pan in drivers compartment may add Aluminum R/Side and back of driver no higher than a 3" drop Front and Rear. 5. Firewall between engine and driver must be in stock position. All holes must be covered. 6. Interior tin is Okay. 7. Four vertical safety bars constructed of ¼” (minimum) steel stock located not more than 3” apart, shall be centered in windshield area in font of driver, and welded to roll cage. 8. All doors must be secured shut (welded, bolted, etc.). 9. The front inner & rear wheel wells may be removed. 10. All hoods and trunks must remain stock and must be securely fastened. Hood pins and trunk pins. 11. No wings, skirts, air scoops, or anything that alters the stock appearance. 12. Driveshaft loop is required and must be constructed of at least ¼”X2”steel and should be mounted no more than 6” from the front of driveshaft. 13. Brakes on all four wheels must work. Brakes will be checked. 14. Bumpers must be in stock locations. Rear bumpers may be capped to fender. After market bumper covers allowed. 15. Car number must be clearly marked 24” height and 3” stripe width. Car numbers must be one or tow digits only. 16. Must have tow chain on front and rear of car. 17. Batteries must be securely mounted and shielded. Batteries can be relocated. Suspension 1. Must be original type suspension, some reinforcing (double nuts, washers, etc.) is allowed. 2. No after market parts allowed. 3. No racing shocks, springs, etc… 4. Jack bolts are Okay. Transmission and Rear End 1. Transmission must be OEM automatic, or disc-type clutch on a manual transmission only. No coupler or multi-disc clutches allowed. No aluminum flywheels. 2. No quick change. (five bolt pattern only) 3. Rear end may be welded. Tires and Wheels 1. Tires are to be 60 & 70 series tires, P245 McCreary, Oakshade Hoosiers, Hartford Good Year. Tires no bigger than 10 1/2 cross section. McCreary only tire sold at track. 2. Wheel 8" Maximum width. Steel wheels mandatory. Right wheels recommended. 3. Right front racing wheel mandatory. Oversize lug nuts mandatory. 5/8" stud on R/Side. Carburetor 1. Holly 2 barrel 4412 carburetor only with adapter plate. Must be stock appearing 3000 pounds. 2. Pump gas only. 3. Q Jet 4 board Okay with 3100 lbs and over. Engine 1. The engine must be stock appearing for that model and make and in the original mounts (GM-GM, Ford-Ford, etc…) Screw in stud’s 3/8” max diameter. Stock rocker arms, flat tappetcams. No aluminum heads. 2. Low profile aluminum intake ok. No hi-rise. 3. Under chassis header ok. Exhaust must extend past driver seat. Exhaust systems must be securely mounted. 4. No electrical fuel pumps allowed. 5. Stamped steel roller tip rockers with ball for stud ok. Roll Cage **Safety Safety Safety!!!!!!! **Professionally built roll cages only!!** 1. A full perimeter four post roll cage with X brace in rear must be used. Roll bar padding, mandatory on any surronding drivers head. 2. Three door bars on driver’s side must be used. Maximum 2”X1/4” skid bars allowed from wheel well to wheel well must be painted same as car. Door bars on passenger side horizontal with full X brace. 3. Bottom door bar must be connected to frame rail with 2 short upright. 4. Stock front sub to be connected as per Dia frame can be no wider than tread width, must have stock rear sup mounts, rear front to remain stock in front of axle to middle of rear. Stock rear frame section from the original spring mounts to the center of the rear axle MUST remain stock. From the center of the rear axle to the rear bumper frame rail can be changed to a minimum 2X2 square tubing. MAKE SURE FRONT SPRING MOUNTS REMAIN STOCK! 5. Must be within confines of body, but no wider than stock frame rails. 6. Kickers off roll cage are allowed. One single front hoop with maximum of four uprights, mounted parallel to the front frame, no further back than the firewall. Must stay confined inside the body. 7. No reinforcement of bumpers allowed. 8. Absolutely no galvanized pipe allowed. 9. Because of some rust frame rails, you may need to plate or box rusty areas. Fuel Cells 1. Fuel Cell protection bar mandatory, mounted frame rail to frame rail, no higher than the fuel cell and inside the trunk area. Minimum 1 ¾” pipe. Cell must be completely enclosed in a steel container. Maximum 22 gallons. 2. All cells to have a minimum of 2 mounting straps of 1½” wide X 1/8” thick strapping. RULES AND GUIDELINES FOR LATE MODELS***PLEASE NOTE RULE CHANGE below***
DECK lid height! Maximum with Hoosiers is 36", maximum
with McCreary is 37" and maximum with Goodyear is 37 1/2".
SPRINT CAR RULESAll Star sanction rules to apply. Rule Book Disclaimer The rules and/or regulations set forth herein are designed to provided for the orderly conduct of racing events and to establish minimum acceptable requirements for such events. These rules shall govern the condition of all events, and by participating in these events, all participants are deemed to have complied with these rules. NO EXPRESS OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM PUBLICATIONS OF, OR COMPLIANCE WITH THESE RULES AND/OR REGULATIONS. They are intended as a guide for the conduct of the sport and are in no way a guarantee against injury or death to a participant, spectator or official. The race director shall be empowered to permit minor deviation from any of the specifications herein, or impose any further restrictions that, in his opinion, do not alter the minimum acceptable requirements. NO EXPRESSED OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM ALTERATION OF SPECIFICATIONS. Any interpretation of deviation of these rules is left to the discretion of the officials. Their decision is final. The Management of Butler Motor Speedway, Inc. Joe & Sandy Dorer, Owner/Promoter |