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2008 EXECUTIVE Graham Duff Heather Whitelaw Sharon Austin
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2008 Super Stock Rules
1. After market manifolds, carburetors and headers are allowed. 2. Must be naturally aspirated with single carburetor (Venturi type). No fuel injection. Alcohol is allowed. 3. Inside the frame headers pipes must exit behind the cab. Outside the frame headers pipes can exit straight behind the cab or turndowns be directed within 2 feet of the outside body of the vehicle. Vertical headers must be within 10 degrees of plumb. 4. Weights and weight bars must be securely mounted. Front of weights or weight bars must be no more than 60 inches from the centre line of the front axle. 5. Lateral bars are only allowed on leaf type suspension. Coil suspension must have coil located over the centre line of axle with radius arms not to exceed 30 inches in length. No scissor type frames allowed. All trucks must have a working suspension comprised of factory production style springs. 6. All suspension spacer blocks must be factory production design located between the axle and the springs and must be a maximum of 8 inches in length. 7. Hitch to be connected to the frame only, rigid in all directions. Height is to be a maximum of 24 inches from the top of the hitching device to the ground. Hitch length must be a minimum of 34% of wheelbase and measured from the centre line of the rear axle to the hook point. No drawbar angle can be greater than the angle of the sled chain. Acceptable angle = 0 degrees to a maximum of 30 degrees from the ground. 8. Engine mounts can be stock or solid. The driver’s side #2 spark plug may not exceed over the centre line of front axle. If stock engine mounts are used an engine chain (3/8”) is required on driver’s side only. 9. Cast blocks and heads - no aluminum. 10. Original Equipment Manufacturer’s type transmission and transfer case only. 11. Tires must be stamped DOT and not cut or shaved in any way. No bar or tractor lug design permitted. 12. Tires must be maximum 35 inches in diameter. 13. Maximum of 526 CID engine size. 14. No truck may hook in two different divisions at the same event. 15. No complete fiberglass bodies are allowed. Fiberglass panels e.g. doors, fenders, box panels or hoods are allowed. 16. No diesel engines are allowed. 17. No tubular style frames are allowed (automotive style only). SAFETY: 1. All clutches, flywheels and bell housings must be inspected annually by a licensed tech official. 2. Fire extinguisher must be in cab of truck and be compatible to the fuel being used. 3. All driveshaft “U” joints must have protective covers made of ¼” steel or 3/8” aluminum. Rear driveshaft must have one safety loop (minimum 1” wide by ¼” thick steel). 4. Backup lights must be functional and should operate as designed by the manufacturer. No manual backup light switch devices are acceptable. Rear kill switch must disable the ignition and electric fuel pumps. 5. Lap seat belts and approved helmets must be worn when pulling. 6. Standard transmission must be a steel bell housing complete with commercially available or 3/16” block plate. A .090 liner is also recommended. Clutch and flywheel must be SFI approved. Automatics must use full blankets properly installed front to back and have SFI approved flex plates. 7. All trucks must have a neutral safety switch. 8. All drivers must wear a complete fire suit (minimum requirements - single layer fire suit, fire gloves, balaclava, fire boots or leather work boots). No leather running shoes allowed. Minimum Snell 2000 helmet 9. Harmonic balancer must be SFI approved or covered with ¼ inch thick steel or 3/8” aluminum shielding covering entire balancer circumference. 10. No engine driven fan blades. 11. Side shields of 1/8” steel or aluminum are required to cover the entire block that the frame doesn’t. 12. Trucks with lift bodies must have the body in lowered position before the vehicle can be moved under its own power. Lift bodies must have a safety lock to hold up the body. 13. At no time will a pulling truck be left alone while running. 14. Rear axle shields are mandatory on all Super Stock Trucks. Shields must be at least .060 thick. Shields must cover minimum diameter of axle end. 15. No fuel tanks are allowed under the hood of the pulling vehicle.
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