Williams Grove Speedway Super Sportsman Rules

RULE BOOK DISCLAIMER

The rules and/or regulations set forth herein are designed to provide for the orderly conduct of racing events and to establish minimum acceptable requirements for such 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 PUBLICATION 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 SUCH ALTERATION OF SPECIFICATIONS. Any interpretation or deviation of these rules is left to the discretion of the officials. Their decision is final.

1. Roll bars must be 1-1/4 inch steel pipe or 1-3/8 inch OD chrome moly tubing or larger and be permanently welded to the top of the frame. Rear roll bar and frame must be a minimum of 30 inches outside diameter where welded to the frame and at shoulder height. Frame rails from front to back must be tapered and not bent. Tubing must have a wall thickness not less than .090. Rear roll bar recommended to be .120. No bolting of cage or side extensions to support roll cage. All roll bars must be padded around driver. No spot welding.

a. Frame rails must be 2x4 inch rectangular tubing with a wall thickness not less than .0835 of an inch. Box frame must tie into rear roll cage and extend from rear of cage towards the front of the engine and be a minimum of 58 inches in length at the shortest point.

b. Hood and body panels are required and must meet the approval of the technical committee. Body style to conform to generally accepted sprint car standards. Top wing to have a 16 square foot maximum size. No bi-wings. Side panels must be straight with no contours and be a maximum of 30 inches wide with a ¼ inch tolerance and 70 inches long with a one inch tolerance. Wing may not be adjustable in any way while car is in competition. Lower front corners of side panels may not impair driver's vision. Side panels may not extend more than 3-1/2 inches in front or rear of wing core. No more than 2 inches of reinforcing bends on top and bottom of side panels. Kick outs no longer than 2 inches may be used on back of side panel. Side panel must cover wing core. A wicker bill no higher than 2 inches may be used on rear of wing core, this is in a addition to the 16 square feet. Wing may not extend beyond outside edge of rear tires. Single plane wings only. Top wing may not be more than 14 inches off of roll cage with a one inch tolerance. Penalty to be to put car to the rear of the finishing order. Wing must meet the approval of the technical committee. No rudders on body of wing.

c. No front wings. Sides of hood may be no higher than 2 inches. Side wings or corn pickers may not extend past the front of the firewall and be no higher than the rear tire with no side extensions. No other wings, hood extensions, tail wings or wedge shaped body or tail parts permitted.

d. Fuel cell with bladder mandatory and should have an approved, safe vent. Do not attach cell to frame by bolting or fastening to plates on bladder.

f. Total weight of car and driver may not be less than 1800 pounds. There will be a 25 pound weight allowance. Weigh in to be after any event, weight will be measured and car will be teched as car comes off the track in the condition that it took the checkered flag with driver in car. No bolt on weight, must be securely and permanently fastened. Weight measured by speedway scales.

3. Open drive shafts must have a sling to protect the driver and a steel plate on the bottom of the seat at least 1/8 inch thick.

4. Quick change rears optional. Open tube rears optional, steel axle or Winters aluminum spec rear axle. Knock offs optional. Must use solid wheel adapter on right rear.

5. Front bumper must be of frame width and axle level. Rear bumper must meet the approval of the technical committee. Bumpers must be bolted or equivalent, no rivets.

6. All cars must be equipped with an approved type of quick release safety belt, shoulder harness and anti-sub belt. All safety belts must be anchored to the frame. Shoulder harness must be fastened to the bracing bars and loop over a bar at shoulder height.

7. Good brakes required. Right front brake optional, left front must have a rotor with a minimum of a single caliper. Rear brakes optional as follows: Rear of car must have steel rotors and a dual brake caliper on both rear wheels. Inboard brake optional, must be vented steel rotor minimum width of .725 of an inch with dual brake caliper, right rear caliper optional. If inboard brake used, rotor must be clear of battery when rear axle is pushed front against frame upright and aluminum rotor on right rear optional. Guard between rotor and fuel cell recommended.

8. The steering must be safe and meet approval of technical committee. No power steering. Knee protection mandatory, aluminum wrap around style with padding recommended. Steel rod ends required on drag link. Tether recommended.

11. Maximum wheel width of 16 inches excluding bead lock. Steel wheels only on the rear. Aluminum or steel wheels only on the front. No plastic or carbon fiber wheels.

14. All cars must have rub rails no wider than the outside of the wheels and must be constructed in such a manner that no wheels can get locked with those of another car. Rub rails must be bolted or equivalent, no rivets.

15. All cars must have a fuel shut off valve on the right side of the driver's seat or the right

16. Drivers should wear fire retardant drivers uniforms and gloves plus arm restraints at all times when they are in the car on the track. High back seats recommended.

17. If transponders are used for scoring, they are to be mounted at a designated position.

6. DART II Sportsman head permitted, must be unported and meet specs outlined in rule number six for engines over 320 cubic inches below.7.320 engines must use 358 head rule or weigh 1800 pounds.

2. Block must be a standard production block or approved stock dimension after market block that was under 358 cubic inches originally. No aluminum blocks. Chevy bow-tie block and Ford SVO blocks permitted.

3. Crankshafts must be factory production or stock dimension after market cast iron or steel crank Stroke must remain stock. Crank may be turned a maximum of .040 under. Chevy stroke of 3.480, Ford stroke of 3.50 and MOPAR stroke of 3.31 or 3.45. No swapping of cranks. Ford SVO crank with part number M6303-H351 permitted. MOPAR high performance crank with part number P4120312 permitted. After market cranks must be a minimum of 46 pounds in weight. Penalty for using a light weight crank to be suspension for season in addition to penalties outlined in general rules.

4. RODS - A production rod from a V-8 engine under 358 cubic inches. Modification of rod length prohibited. Rods, block and crank to be used in the same combination that factory originally manufactured. Any stock dimension steel rod (No titanium) may be substituted. Stock dimension includes length, wrist pin location and journal size. Approved after market rod must be in factory condition, no polishing or reworking. No addition or removal of metal other than normal balancing. All 358 engines must have a 3/4 inch inspection hole in the left side of the oil pan opposite the number one rod journal Any windage tray which would block the view of the rod must be removed. Ford permitted to use a 6 inch length rod with SVO crank.

5. Flat top pistons only. Zero deck, piston may not be above the deck of the block.

6. Any factory steel head, or DART/ World Products Sportsman II steel head. DART/World Products head must have casting number of 1037. Must have a 60 cc minimum combustion chamber, no grinding in chamber. No aluminum heads. No relocating rocker arm studs. No porting or polishing. Matching ports in the intake port of head only. Depth maximum for matching ports is 3/4 of an inch. Lifter bore must remain stock. The valve seat area can be cleaned up using a maximum 80 degree grinding stone. No additional hand or machine work permitted. CC measurement of intake runner of head to remain stock with the exception of matching port.

7. Production valve or production replacement, steel or stainless steel only. Any spring, any retainer permitted. Roller rockers permitted. Stock valve guide angle. No relocating valve

9. Block must be standard production. Must have been installed on an assembly line automobile. All factory identification numbers and/or part numbers must remain on crank and heads. Main bearing cap must be iron or steel.

1. Maximum of four barrels of carburetion. Single carburetor only. No super chargers, fuel injection or turbo chargers.

2. Any approved intake other than a smoke ram or tunnel ram. Intake height to be a maximum of 8 inches measured from the top of the carburetor bowl using a straight edge from the bowl to the #3 or #4 runner of the intake manifold.

4. All cars must be self starting for the feature, clutch optional. No automatic transmission. Stock configuration clutch must have a full scatter shield of at least 1/4 inch thick steel or an approved bell housing. Failure to do so will result in an automatic suspension and loss of points.

5. Fuel - Methanol only according to Federal Standards of Purity, Grade A or AA. No additives of any kind including top lube.

6. No electric fuel pumps or pressurized fuel systems. No inboard (in driver's compartment) fuel pumps.

8. Any battery ignition. No magneto. No computer operated or controlled parts. No traction control devices. Gel filled battery recommended.

10. Tires – Two types of right rear tires may be used. One, a American Racer 34.0/17.0-15GT track tire with the distinguishing MC on the sidewall. The MC being the prefix to the compound. The MC-2 or MC-3 compound permitted. The second option is a Hoosier 105/18-15 plated (HTMA) spec tire. The D-12 or D-15 compounds are permitted.

11. All cars must be registered to prevent duplicate car numbers. Please call the speedway office to register your car number,

13. Any car using an engine block and/or cylinder heads that are visibly cut, ground or machined externally for the purpose of weight reduction must add 25 pounds to the car from the center line of the engine forward. Weight must be securely fastened but must be able to be removed to verify weight.