2008 Rules

Pro Truck Rules

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An operational 2 ½ pound minimum fire extinguisher with gauge visible for inspection purpose is mandatory in each racecar and tow vehicles. Extinguisher must be mounted in a quick release bracket. DUCT TAPE IS NOT AN ACCEPTABLE MOUNTING DEVICE.

Driver must wear approved: Snell-rated, SA95, (SA95 will not be allowed in 2009), SA2000 or SA2005 racing helmet, fire suit, unaltered neck restraint, Nomex® gloves and shoes.

Vehicle must be equipped with a complete roll cage with HALO BAR, a five (5) point seat belt fastened to the roll cage, window net (bolted on the bottom with a good safe fastener on the top), and a removable steering wheel. ALL SUBJECT TO INSPECTION.

A sharp appearance attracts attention for all of us. Future sponsors will look at the outside appearance of a truck before he looks at the inner workings. Fans cheer for the good looking trucks. Keep body appearance up by replacing parts and new paint jobs when ever possible. Any 1965 or newer truck is permitted in this class. No station wagons or four-wheel drives. Track officials will decide what is appropriate in this class.

May be located anywhere outside the driver’s compartment. It must arrive at the track fully charged, and must be securely mounted and covered. Truck must start under own power in the staging area, OR REPORT TO THE REAR OF THE EVENT.

Any 1965 or newer American made rear wheel drive truck is permitted in this class. No SUV’s, four-wheel drives, extended cabs, or step sides. All structural tubing must remain inside body. All trucks must have complete bodies, hoods, and fenders. Must be in top quality condition. All trucks must have cover on rear, where tailgate was, side to side bumper to bed cover. Must have full bed cover. Rear must be solid, may have up to a 6" fuel filler door. Stock steel roof will be allowed on stock steel-bodied trucks. Slab side truck may have at least 50 lb. added per side in front of bell housing. Must conform to attached Pro Truck Drawings.

After market bodies are allowed. Spoilers: see illustration. Body must cover at least ½ of the tire. No side windows or air deflectors allowed. Driver must be able to exit from both sides of truck with helmet on. Stock NOSE PIECES ONLY. NO altering of STOCK nosepiece allowed. Tire must be visible from front of truck. Minimum roof height–55-1/2", maximum deck height–39"min.37". NO BOLTED SLAB SIDE BODIES, BOW MUST be in center (STRICTLY STOCK APPEARING BODIES) OR WE WILL GO TO AFTER MARKET BODIES ONLY.

Interior of truck must be 13 ½" below roll cage minimum and all area of roof, from front window to behind driver’s seat. No area of the interior of cockpit can be less than 13 ½" below the roof and roll cage for safety. Easy exiting of truck from either side. Windows must have 13 ½" clearance straight up and down. No support bars blocking right exit from cockpit allowed.

Stock four-wheel hydraulic brakes. All in working condition. Neal type brake assembly permitted. No shut-off valves. Steel, single piston caliper only.

ONLY 1 Holly #4412 carburetor will be allowed. Absolutely no alterations or modifications to carburetor, except for removal of choke plate. Altered carburetors will be CONFISCATED! No transverse mount carburetors allowed. Carburetor must be mounted in conventional manner.

Aluminum intake manifolds will be allowed. No high rise allowed. Only the following current production aluminum manifolds will be legal to use:

A 1” maximum height adapter plate ONLY. 1" total between the intake and carburetor. NOTE: Top 5 may have to pull carburetor after every feature.

No (in and out) boxes. Must all be clutch operated (with motor running and truck in still position, driver must be able to engage truck in gear and move forward and backward at time of inspection). Clutch must be inside of bell housing.

Steel drive shaft only, MUST be painted white and have a steel driveshaft loop measuring 1/4" thick by 2 inches wide, located on the forward 1/3 to prevent it from dropping onto the track.

Stock American engine. Number 1 spark plug MUST be in line with the BALL JOINT. You may use roller rockers, only with 1" minimum inspection hole in intake. No roller camshafts, roller tip rockers are OK. NO ALUMINUM HEADS OR BLOCKS.

I.M.C.A. Mufflers are MANDATORY .100-DECIBEL LIMIT. MUST BE AT THE END OF EXHAUST. No turndowns. Mufflers must be visible & welded securely in place. Loss of muffler may result in disqualification. Optional 1 ¾" maximum primary tube headers.

The firewall at the front of the cockpit shall be a wall of protection against fire from the engine compartment. It shall be tightly solid from top to bottom. Not allowing airflow from the engine compartment to the cockpit.

All Pro Stocks will have minimum 108" wheelbase. All vehicles will be stripped completely of interior, except driver’s seat which will be securely fastened to the roll cage, and will be equipped with a head rest or a high back racing seat and will be subject to local track inspection. UNIBODY TRUCKS: Rear portion on unibody trucks, starting at the leaf spring mounts, may be fabricated or reinforced. The front sub and rear clip may be connected with MINIMUM 2"x2" square tubing. No round tubing on the main frame rails. All spring and shock mounts must be in stock position. CAMARO AND FIREBIRD FRONT SUB FRAMES OR UNIBODIED TRUCKS MUST BE 1981 OR OLDER. NO EXCEPTIONS!!! ONLY Howe or Port City replacement front sub allowed. Howe’s part #358-8-01, Ph# 989-435-7080. Port City part #1002-205 Ph. # 800-472-2464. IF USING AFTERMARKET SUBS, 100 LB. WILL BE ADDED TO FRONT OF TRUCK, 50 LBS. ON EACH SIDE, IN FRONT OF BELLHOUSING.

Any type of regular fuel is ok. NO ALCOHOL. NO ADDITIVES.

No electric or belt driven fuel pumps allowed.

MANDATORY. Tank construction, location and mounting are subject to inspection. A leaking tank is grounds for disqualification. Must have bladder and check valve on fill pipe. Must have canister around tank. Must have approved loop behind the fuel cell, minimum eight (8) inch clearance. Gas cap MUST be secured to fuel cell by cable, chain or tie strap.

Eight (8) inch wheels maximum. A commercial wheel is recommended. NO Wide 5's allowed. Truck MUST be equipped with safety wheels on the right side and large safety lug nuts. BEAD LOCK ON RIGHT REAR ONLY. NO PLASTIC OR CARBON FIBER WHEEL ALLOWED.

Windshield optional. If used, it MUST be safety glass, Lexan, or heavy screen. No Plexiglas. Use of Plexiglas will result in suspension for the night. This is subject to inspection. NO MIRRORS ALLOWED.

Must be securely fastened, subject to track inspection. An air cleaner and fire arrestor are mandatory.

Any stock appearing distributor. Must accept stock distributor cap. No after market dual point ignition or magnetos allowed. No crank fire ignitions. Only stock manufactured bolt on type parts allowed. Ex: MSD or Accel replacement coils or modules allowed providing it fits in stock location.

No radios, except mandatory raceceiver, allowed in truck, or any pit member or anyone connected with the racecar.

Any type of radiator may be used. Must be in front of the truck and not extend through the hood.

Locked rear-end MANDATORY. NO QUICK CHANGE REAR-ENDS.

Screw jacks allowed on trucks. Truck may use 1of 3 types of rear suspension only:

  1. Stock style multi – leaf springs
  2. 4 bar with coil springs. Z-link OK.
  3. Mono Coil combination
Maximum 42" lift bar or pull bar is allowed. No spring steel. NO other torque arms, torque links, or 5th coils. NO aluminum suspension pieces. Trailing arms and leaf spring mounts may have multiple mounting holes. Heim joints must be all steel, ¾” (minimum). Coil over eliminators are OK.

Screw jacks allowed on trucks, stock suspension in stock location. May run tubular upper control arms, MUST have cross shaft. May interchange stock lower control arms. Must remain unaltered and mounts must remain unaltered. May run heim on shocks only!

Must be Grand National design with upright supports. Must have halo bar. Four door bars are required in the driver’s door. Cage construction should be a minimum of 1 ½" OD tubing (095). No aluminum tubing. The driver’s seat must be securely fastened at bottom and back of the roll cage. Must have steel plate 18" x 24" x 1/8" in the driver’s door, must have steel plate 6" x 12" x 1/8" behind the seat in front of the trailing arms.

Must be racing type and quality. A 3" seat belt, 2" or 3" shoulder harness, and submarine straps are required and subject to inspection. All belts must have manufacturers date not more than 3 years old (must be able to read date). MANDATORY: All components MUST be fastened whenever truck is on the track.

One shock absorber per wheel. No coil over or air coil-over or struts allowed on the front. Steel racing shocks are OK on the front and rear. One 90/10 shock allowed mounted from top of rear end housing to roll cage.

$50.00 per shock, may claim any or all shocks, 1 claim PER DRIVER, PER SEASON. May claim anyone in the top 4. MUST BE IN WRITING and given to tech inspector in the tech area within 5 MINUTES of end of the feature. Must finish on the lead lap to be eligible to claim. FAILURE TO SELL: disqualified for the night, loss of points and money for that night only. Must qualify from rear most spot the following week. This is intended to keep the cost of this class down.

MUST be in working order. ALL TRUCKS MUST START UNDER THEIR OWN POWER IN THE STAGING AREA OR THEY WILL GO TO THE REAR!

P245 approved American Racer tires only. Tire pressure must be at least 17 lbs on right rear, after each race.

Any transmission, manual or automatic. NO quick-change transmissions. Must have scatter shield or protective plate 180 degrees around clutch. If L-plate is used, 1/8" steel plate is minimum thickness that will be allowed. NO Bert type transmissions. Must have a dis-engaugeable drive train. NO direct drive systems.

3,000 pounds minimum weight. Added weight MUST be in plain sight, painted white. MUST have the truck number painted on it in a contrasting color and must be readable. No cement or liquid style weights. Weights must be securely mounted to the truck with the minimum of two (2) ½" bolts and nuts per 50 pounds of weight. Loss of any weights may be grounds for disqualification. No weight on rear bumper or outside body of the truck.

MANDATORY – FRONT AND REAR. Cable or chain preferred. Tow hook cannot extend in front of truck. Both must be easily accessible. If there are no wrecker hooks on the truck, it will be pushed, towed, or dragged to the infield until after the racing program is completed. A $10.00 fine may be assessed for no useable wrecker hooks. NEITHER WRECKER CREWS NOR RACETRACK PERSONNEL WILL BE RESPONSIBLE FOR ANY DAMAGE DONE TO THE VEHICLE.

Quick steers are OK. No rack and pinion steering.

Drivers may lodge a protest against another truck they believe to be illegal. Protest MUST BE IN WRITING BEFORE FEATURE and accompanied by a $25.00 protest fee. Fee will be refunded if protest is upheld. One protest per person per feature.