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2006 Wilmot Speedway Truck Rules

GENERAL: This class has been created to provide an opportunity for vehicle manufacturers and after market manufacturers to showcase their products. It is designed as a production class. All vehicles shall conform to the manufacturers as produced and delivered in U.S. specifications. The ONLY allowable modifications are those specifically listed in the rules. Rules are subject to change to maintain competition between makes. NO OTHER CHANGES OR ALTERATIONS ARE ALLOWED.

ELIGIBILTY: Eligible vehicles shall be those 4 (four) cylinder, light duty, 2 (two) wheel drive pick-up trucks sold in the United States.

BODY: General: All body panels must be stock factory steel in stock locations. Inner bedsides may be removed from box. Floor of box may be removed and frame built to support bed sides. If box floor is removed, a tonneau must be put on and a 5(five)” spoiler may be used on rear.

Bumpers: FRONT: Factory stock bumpers or 1.5” .090 tube covered with a plastic nose. REAR: Maybe O.E. step type or approved after market or fabricated. Rear Bumper must remount in factory location. Bumpers must be capped and have supplemental attachments to the fender which prevents the hooking of bumpers. Bumper must be 2” X 5” square stock.

STRIPPING: All burnable material in the interior. Inner drivers. Door panels maybe Removed for door bars to fit. Inner front fenders maybe removed.

SEAT: Aluminum race seat and 5 point harness in good shape and not more than 3(three) years old.

ROLL CAGE: The minimum requirement shall be a 6(six) point roll cage. The front Hoop shall follow the A pillar. The rear main hoop shall be inside of the cab. 2(two) forward braces may extend through or be connected to the frame section; 2(two) additional braces may be used to connect these bars to the frame. Right side door bars shall not interfere with the stock door panel. Left door may have inner panel removed only for the fitment of door bars. (Door frame and pillars must remain intact.) The lowest door bar shall be at the same height as the front bumper and the uppermost door bar shall be below the line of the side window. Minimum roll cage material is 1.75” .095 tubing for the main cage and 1.50” .090 tubing for all other bars. Door bars must be plated with #18 gauge or .0490”.

DRIVE TRAIN: ENGINE: All engine components shall remain as specified and delivered by the manufacturer except as noted below. Emission control device may be removed. Any cam grind and hydraulic or solid non-roller lifter allowed. Engine may be balanced and blueprinted. Engine may be bored out to a maximum of .040”. No grinding is allowed on the crank except for balancing. Porting and polishing is allowable. Engine must be in stock location. One movement limiter maybe added. Dual plug or 4(four) valve heads require individual tech inspector approval. Oil coolers May be added as long as cooler is completely within the body work. Factory stock oil pan may be internally modified. Crank maybe cut for Chevy 5.7 rods. Crank Shaft can be lightened.

INTAKE AND EXHAUST: Trucks that are not equipped with fuel injection may use unmodified Aftermarket intakes and spacer plates of not over 1 ¾” with gaskets or Adapter plates to fit holley carbs p/n 7448 or (older 350 2bbl.). Carb #4412 is allowed. Aftermarket Headers are allowed. Exhaust pipes from header to muffler 2 ½ O.D. And must exit behind cab and leak free. Electric fuel pumps may be Used and a low oil pressure cut off switch hooked in the oil system.

IGNITIONS: Stock or high output cap wires and coil are permitted. MSD’S are legal

COOLING SYSTEM: All trucks shall be equipped with an overflow tank or a 1(one) gallon minimum Overflow container. Factory or aftermarket radiators are acceptable.

TRANSMISSION: Stock unmodified factory automatic, 4 or 5 speed unit. Clutch shall be stock unit or aftermarket single disc replacement unit.

DRIVESHAFT: Driveshafts must be mild carbon steel or factory aluminum. Two piece may be changed to a one piece design. A driveshaft loop must be installed on the forward half of the shaft and be at least 1 1/4'”X 1” steel and shall be close enough to the shaft to prevent it from contacting the racing surface.

REAR AXLE: Stock rear axle housing or Ford 9” housing allowed. Limited slips, mini spool or open rear differentials are allowed which fit, without modifications inside the stock housing. Any ring and pinion is allowed. No locker rear ends allowed.

SUSPENSION: Alignment settings are unrestricted. Bushing material is unrestricted. Any front or rear sway bar may be used providing that it is bolted to the vehicle, not welded and is available on the general aftermarket. Bar must maintain original concept and design. Spring rates are unrestricted steel springs only. Weight jacks are legal. Trucks with the rear leaf springs above the axle may relocate the spring only. Lowering blocks not exceeding 3(three)” may be used. Bump rubbers may be removed or modified. Frame notching is allowed for rear axle housing. All models may relocate upper control arm mounting a maximum of 1” inboard. All trucks may use aftermarket available drop spindles and/or modified or aftermarket I-beams. All vehicles may use 1(one) coilover shock per corner and be remotely adjustable. May relocate shock mounts. Aftermarket or fabricated upper and lower control arms may be installed. 3(three) link suspension is allowed. Any aftermarket front suspension may be used. Front suspension unlimited to modification.

BRAKES: All brake components will remain stock except as noted below. Brake lines may be replaced with armored lines. Any proportioning valve may be used. Friction material may be replaced with alternate material. All 4(four) brakes must be operational.

STEERING: Manual or power steering is allowed. Steering wheel may be replaced with approved aftermarket wheel or quick release wheel. Also you may use rack and pinion steering and fabricated mount.

WHEELS / TIRES: Stock (OE) 235/50, or anything smaller to a 205/70 or 75, 14-inch, or 15-inch passenger car tires only. Tires must be inside body. No racing, snow, or all- terrain tires. No softening, conditioning, sipping/grinding or grooving. May be a 7 inch DOT approved or maximum eight-inch wide stamped steel wheels with standard bead bump - must weigh a minimum of 19 pounds. No mag wheels. One inch steel lug nuts required. No bleeder valves. Bead lock wheel is allowed on the right rear only the bead lock wheel is only allowed to be in a 8 inch width and must have an IMCA approved wheel decal on the wheel. There is a reason behind the IMCA decal on the bead lock it is a safety concern of LMEI.

FUEL TANK: Fuel cells are required. Cells will be mounted above bottom of frame rails and at least 10(ten)” forward of rear bumper. 16(sixteen) gallon maximum tank size.

BATTERY: Battery must be relocated in left front bed area and must be securely fastened. Master cut off switch is required and will be mounted bottom left corner of rear window or in front left corner of bed level with rails and clearly marked OFF and ON. SAFETY EQUIPMENT: SA 2000 helmet required and must be worn at all times truck is on the track. Roll bar padding required in driver’s compartment. SFI approved full fire suit, fire retardant neck brace, gloves, and shoes are required. Head and neck restraints recommended. Arm restraints or driver’s side window net to be mounted so latch is at top front of window. Five point safety belt is required. (not more than three years old is recommended.) Belt must be securely fastened with grade #8 ½” bolts.

EIRI (Except in rare instances) Decisions of officials are final and binding without exception. In some cases, track safety rules may take precedence over LEMI rules. Any discrepancy between LEMI and track rules should be brought to the attention of LEMI. Any rule changes or clarifications during the course of the year will be published.