AIS | 2008 Light Truck Rules

Adirondack International Speedway

2008 Light Truck Division Rules

1.1. Competitor – A driver, car/truck owner, mechanic, crew member or other person who is associated with any team who participates competitively in an Adirondack International Speedway racing event.

1.2. Track Official – Any individual appointed by the Adirondack International Speedway Management, Promoter, or Race Director to officiate as an employee or independent contractor for an event.

1.3. Event – Any event that takes place at the Adirondack International Speedway, which includes the actual on-track race event as well as all procedures of an event including but not limited to registration, inspection, qualifying races, hot-laps/warm-ups, as well as post-race inspection or postponement dates related to the originally scheduled event.

2.1. To place emphasis on having fun and not on the ability to build the fastest truck. This class is strictly about the opportunity to participate on the other side of the fence, and do so affordably. The tracks rules and decisions are based on safety and low-cost.

2.2. All competing trucks are to be limited in the modifications allowed. Engine, chassis, and suspension are to be as the truck came from the factory, with adjustments to create more camber in the front suspension. A rugged cage and any other modifications are to ensure the safety of the drivers, crew, track workers and fans. The competing trucks are intended to be simple to build, cheap to maintain and the only required outside investments shall be utilized in purchasing safety equipment and the cost of cage tubing.

3.1. Eligible – Only 1998 or older, Eight-valve, Four-Cylinder pickup trucks are allowed. Trucks must be non-turbo, open-bed, and rear-wheel drive only.

3.2. Not Eligible – No four-wheel drive trucks are allowed whether converted or not converted to rear-wheel only.

4.1. Frame – Must use stock frames in good condition only. Frame must be straight, sound, and complete. No cutting, chopping, shortening, or lowering of the frame is allowed.

4.2. Rollcage - A stout, six (6) point roll cage is mandatory and must be constructed with a minimum of 1.5” OD x .090” thickness mild steel tubing. The cage must be welded to 4” (inch) x 4” (inch) steel plates and either bolted to the floor or welded to the frame. Two straight, parallel bars must connect from the top of the rear hoop to each of the rear frame rails. No bars may pass forward through the firewall. Driver and passenger side doors must have, at minimum, three horizontal bars with uprights. Driver side door must also, at minimum, have a 1/16” (inch) steel plate welded to the cross bars.

B. All bars, including steering wheel and shaft, in drivers section/reach must be padded.

4.3. Ground Clearance – Frame and all body parts, including ground effects, with exception of front valiance must maintain a minimum ground clearance of 5.0” (inches). Front valiance must maintain a minimum ground clearance of 2.0” (inches) measured at the lowest point. Ground clearance measurement is measured from the lowest point of measured part, and to be taken with the fully-suited driver in the truck and in normal sitting position. Measurements can be taken prior to, or following any given event. There is Zero (0) tolerance.

4.5. Engine Location – All trucks must maintain engine location (or engine setback) as manufactured.

5.1. Bodywork – All bodies must be stock and completely unmodified including, but not limited to, stock steel; fenders, hood, cab (including firewall), and pick-up bed (sides and front). Only the nose and the tail may be replaced with aftermarket, stock-appearing plastic or stock-appearing fiberglass.

· Boxes – Removal of box floor and/or interior box sides is permitted when a solid structure is added to prevent bed from collapsing from incidental contact. All modifications to the box will be subject to approval from Track Officials. Tailgate must be securely and permanently welded shut. A securely fastened sheet metal or aluminum bed cover is required. The rear must be hinged to open and secured with either hood pins or Zeus buttons.

· Rear Spoiler – Flat pane rear spoiler with a maximum height of 5.0” (inches) may be installed over the tailgate.

· Fenders – The mandated stock-steel fenders may be reasonably radiused for reason of tire clearance only. Inner liners of front fenders may be removed.

· Hood – Stock hood latches must be removed. Hood must be secured with four hood pins, one located at each corner. Gussets may be removed.

A. Interior – All interior upholstery, and carpeting must be removed. All mirrors and glass must be removed. Full width dashboard required. Original dashboard may remain in place.

B. Floor Pan – Complete stock, steel unaltered floor pan must be used. Floor pan may be repaired to original location and appearance with 20-gauge steel. All holes must be filled and pan must extend from front firewall to rear of cab and door-to-door.

C. Firewalls – Front firewall must be left in OEM stock location with all holes sealed. All holes must be sealed.

5.3. Windshield & Rear Windows, Glass – Every truck must have a windshield. Windshield must be of either stock glass, or 1/8^th” (inch) Lexan material or wire mesh. Lexan or wire mesh windshields must be reinforced with one safety bar and at least two safety straps made of at least 1.0” (inch) wide steel. Straps must be equally spaced on the inside. If glass is used, glass must be free from defects and cannot be cracked. Glass must be retained by at least two clips at both top and bottom. Rear and door windows must be removed. No mirrors allowed. Drivers side window net is mandatory, see Section 11 for Safety rules.

5.4. Bumpers – All trucks must have stock appearing bumpers, front and rear. Bumpers may be reinforced. Outside front and rear bumper reinforcement and/or bracing is prohibited. All trucks must have tow points in both the front and rear. Rub-rails (“nerf-bars”) are allowed and must be flush, capped, and rounded with no sharp edges. Rub rails must be within 2.0” (inches) of panels at all times. All bumpers and rub-rails must be made of 1½” maximum hollowed tubing.

5.5. Car Numbering – All cars must be numbered with a one, two, or three digit number. Numbers must be large and legible. Numbers are recommended to be contrasting to the car color, and non-metallic. To reserve/confirm your number contact the Speedway at (315) 346-7223.

6.1. Engine Eligibility – Engine must be identical to the year, make and model of the truck. All engine parts must be unmodified and (dimensionally and materially) identical to standard parts for the specific engine that was used for the year, make and model of the truck.

A. Pistons – Pistons must be of OEM stock height, OEM stock material, with an identical OEM stock combustion surface, but may be up to +.040” (+1mm) in diameter. The replacement pistons must be of equal or greater weight than the OEM stock pistons.

B. Blocks – Engine blocks may be bored up to +0.040” (+1mm) to fit the legally allowed pistons.

D. Carburetor – Stock OEM carburetor, OEM fuel injection, or either a 350cfm Holley carburetor or Ford Motorcraft 2-bbl carburetor must be used. (Fuel injection rules listed below). Teams may use up to a 1.0” (inch) thick spacer adapter to mount approved carburetor. When converting from fuel injection to carbureted, stock fuel injection intake manifold must remain.

D. Fuel Injection – OEM fuel injection must be used. If a team chooses to change from fuel injection to an approved carburetor, the stock fuel injection intake manifold must be used. OEM fuel injected trucks may alter the ECU, provided that all modifications are done within the original OEM ECU housing or wiring harness. OEM wiring harness must be used. The installation of resistors between any sensor and the OEM wiring harness is allowed. Adjustable fuel pressure regulators are permitted. Air measuring/metering device must be unmodified and dimensionally identical to the standard part of the specific fuel injected engine that was used for that year, make and model of truck.

6.3. Exhaust – Aftermarket tubular headers are permitted. Any exhaust system may be used. Exhaust must exit behind the driver. All trucks must have a muffler, and must not exceed 90 decibels measured at 50’ (feet) in distance.

6.4. Cooling System – Electric fans may be replaced by engine driven fans only. All trucks must have radiator mounted in stock position. All systems must have a one-quart minimum overflow tank securely fastened under the hood. Overflow must blow on the right lower quarter of windshield. Absolutely no anti-freeze allowed. Only additive permitted is that of “water-wetter” type.

6.5. Batteries – Batteries must be located in the engine compartment or box area. Batteries are prohibited in the drivers compartment. All batteries must be securely fastened and sealed with a 20-gauge steel box. All trucks must have an electrical system (and fuel system) shut-off switch that must be located within the drivers and safety crews reach and clearly marked “ON” and “OFF”.

7.1. Transmissions – All trucks must use their stock OEM transmission only. NO modifications are allowed. All gears must function and remain operable.

7.2. Rear-ends – The locking of rear-ends is permitted. Trucks with any form of limited slip differential must be able to provide documentation that it was installed at the factory and manufactured OEM stock on the make and model of truck being used. The correct rear-end and final drive ratio for the year, make and model of truck must be used. For Chevrolet S-10 and Ford Ranger vehicles the maximum allowable stock OEM final drive ratio is 4.11.

7.3. Brakes – Stock OEM brake system must be retained. All brakes must function at all times. No adjustable brake bias allowed, in or outside of cockpit.

7.4. Driveshaft – All driveshafts must maintain the OEM stock length of the original driveshaft in the make and model of truck being used. Driveshaft must be painted white and be encased with two steel guard loops. Steel guard loops must be sized at a minimum of 0.25” (inch) x 1.5” (inches) and located 6.0” (inches) from front and rear.

7.6. Steering – Steering column and components must be OEM stock for make and model and remain in stock mounting position. Quick-release steering wheel required with center of wheel padded.

8.1. Required Weight – All trucks must maintain a minimum weight of 2,650 pounds at all times. There is no tolerance and minimum weight will be taken with fully suited driver, in truck, and race ready.

8.2. Left-side weight – All trucks must maintain a maximum left side weight of 54.0% at all times. There is no tolerance and left-side weight will be taken with fully suited driver, in truck, and race ready.

8.3. Post-Race Inspection – Any truck may be weighed at the end of any given event. Failure to comply will result in immediate disqualification. All weights are taken with fully-suited driver in race-ready position. No changes may be done, and no fuel can be added to the truck prior or after being weighed, for reason of making weight.

8.4. Guidelines – All added weights must be solid bars and securely mounted to the chassis outside the drivers compartment. Weights must be painted weight and have truck number on each. No devices for shifting weight are permitted. No adjustment of weight is permitted during the race.

9.1. Tires – All four tires must be of the same size, be DOT legal, and have a tread-wear rating of at least 260. Tires must have a rated width of 195, 205 or 215 and be either a 60 or 65 series tire. All tires, at all times must maintain 1/16^th” (inch) tread depth measured at any point on any circumferential groove. There is no tolerance.

9.2. Wheels – All four wheels must be made of steel and the same size. All wheels must be of either 14” (inch) or 15” (inch) diameter. The wheels may only have a maximum width of 8” (inches). One-inch lug nuts must be used on all four wheels and when fastened the studs must by flush or extend beyond the nuts.

9.3. Illegal – DOT Road Racing tires are prohibited. Spacers, dual-air valves, and/or bleeders are not permitted. The re-grooving, cyping, treating and/or any other modifications to a tire used for competition is strictly prohibited and all tires found with modifications such as these will be confiscated and destroyed by the Adirondack International Speedway.

10.1. Fuel Cells –An approved eight gallon maximum capacity fuel cell is mandatory. All fuel cells are recommended, at any and all times to carry no more than 5 gallons of fuel. Cells must be centered on the chassis, located behind the rear-end and located a minimum of 8” (inches) off the ground. Cells must be protected in its entirety by a 20-gauge steel box.

10.2. Fuel System – All fuel lines should be specifically made for fuel and should be covered with rubber hose if passing through the drivers compartment. All trucks must have a fuel system (and electrical system) shut-off switch that must be located within the drivers and safety crews reach and clearly marked “ON” and “OFF”.

10.3. Approved Fuel – Maximum 94 octane gasoline only. No blends or additives may be used. Track Officials, at their discretion, hold the right to check fuel at anytime, in any competing truck.

11.1. Interior – All interior/upholstery and carpeting must be removed. Full width dash required, original dashboard may remain in place. No mirrors allowed. The interior of the truck must be completely enclosed in respect to the engine compartment, track surface, tires, and fuel cell compartment. Consult “Section 5” for interior rule guidelines.

11.2. Fire Extinguisher – All trucks must have an on-board fire extinguisher in reach of the driver. On-board fire-suppression systems are recommended for additional security.

11.3. Drivers Seat – An aluminum high-backed racing seat is mandatory. It must be securely mounted to the frame or roll cage in at least six points, (four at seat bottom, and two at seat back). A padded right-side headrest is mandatory.

11.4. Driver Restraint/Padding – An SFI approved (minimum) five-point harness properly mounted to the cage is mandatory. Belts must be of 3” (inch) design equipped with a quick-release latch. Belts must bear a manufactured date within five years from date of inspection. All bars, including steering wheel and shaft, in reach of driver must be padded. A padded right-side headrest is mandatory.

11.5. Window Safety Nets – All cars must have an SFI approved window net properly installed in the left front window opening. The net must be equipped with a quick-release latch. Right side sprint nets recommended.

A. Full Body fire retardant suit is mandatory. Must be one or two piece racesuit.

B. Approved racing shoes or steel toed boots mandatory. No nylon shoes permitted.

D. Full-face helmet meeting at least SA-1995 rating showing no signs of previous damage are mandatory. No open face helmets permitted. Eye protection is mandatory, goggles not acceptable. In 2009, all helmets must be of at least SA 2000 rating.

E. Neckbrace/collar, fire retardant under garments, and fire retardant socks are highly recommended.

F. Head and Neck Restraints such as the “Hans” and “Hutchins” devices are highly recommendable.

11.7. Yield to Safety Crew – All competitors must yield to the safety/clean-up crew at all times. Failure to do so will result in penalty.

12.1. Castings/ID Numbers – Any modifications, alterations, covering or removal of any logo, casting, and/or ID number from any stock OEM required part on the racetruck will make the part illegal.

12.2. Inspection – No illegal parts, having passed through inspection, undetected any number of times will deem that part legal. Upon inspection, Track Officials may penalize, fine, suspend, withhold earnings, points, and/or disqualify any competitor for any rule infractions. It is at the discretion of Track Officials to determine the severity of any and all rules infractions. It is required of the competitors to bring the appropriate model year(s) factory repair manual to the Speedway to support any challenge to the OEM status of parts or specifications prior.

12.4. Race Procedure/General Rules – All Drivers when competing at the Adirondack International Speedway have accepted all Race Procedure and General Rules stated in the “General Track Rules”. For further information or to obtain a copy of the General Track Rules contact the Speedway: