1.        Weight –6200 lbs

 2.        Engine – Open factory engine same as manufacturer of the truck. Cast iron block.  Cast iron or aluminum heads. Electric fan and electrical water pump optional. Engine shielding same as Super Stock Trucks.   Engine in stock location plus or minus 1”.

a.  Gas engines limited to 540 cubic inches.

b. Alcohol engines limited to 410 cubic inches.

 3.        Headers – Open headers.  Exhaust must exit below the truck with deflection shields or turn downs, or vertically through the hood.

 4.        Intake – Aluminum intakes allowed. No tunnel rams. One (1) complete single four- (4) barrel carburetor only.

 5.        Drive Shaft Safety Requirements – Same as Super Stock. All trucks must have three (3) round metal loops shielding in each drive shaft (two (2) piece drive shaft will have six (6) metal loops). 360 degree loop must be a minimum of 3/8” thick aluminum, or ¼” steel, ¾” wide (or wider) and not more than two (2) inches from the shaft in any direction. End loops to be placed no further than six (6) inches from universal joints, with third loop in center of shaft, or can be a solid tube (3/8” aluminum or ¼” steel) meeting the above requirements. No cast metal. All trucks will have a 360 degree metal shield around the universal joints, 3/8” thick aluminum must have 1/8” steel liner or ¼” thick steel, minimum width six (6) inches.

 6.        Kill Switch – Same as Super Stock. Switch must be located in the rear center of the truck (maximum six (6) inches off center in any direction), 24” above the point of hook.

 7.        Suspension – Solid suspension allowed. Traction bars optional, front and rear.

 8.        Wheelbase – 134” maximum.

 9.        Tires – 31” x 15.50” x 15" Wrangler or Omnitrax tires.

a.  Cut tires allowed.

b. 1/2 stagger rule front to rear.

c.  No deflector shields front or rear behind the tires.

 10.     Weights – Front weights permitted. Maximum overall 60” from center of front axle to furthermost point of weights.

 11.     Transmissions/Clutches –Clutches must meet minimum SFI Spec 1.1 or 1.2.  Bell housing must meet minimum SFI Spec 6.1.  Automatics must run a minimum SFI Spec 4.1 blanket that extends from back of engine block to front of tail shaft.  Blanket must have a minimum 6” overlap and must be tight to back of block.  Single OEM equipped transmissions and transfer case blow proof bell housing or blanket.

 12.     Safety - Fire suits & helmets required same as Super Stock Truck rules.

 13.     Hitch – Full 3” I.D. loop. 26” maximum height and 27% of wheelbase minimum. Stationary in all directions. Hitch must be accessible.

 14.     Fuel – Gasoline for 540 cubic inch engines or alcohol for 410 cubic inch engines. No oxygen accelerators.

 15.     Fuel Tanks – All fuel tanks must be located in an open area. Fuel tanks may not be located under hood or in cab, unless factory installed tanks are used. However, factory installed fuel tanks may be moved to an open area.  Must have a manual shut-off at the tank.

 16.     Electric fuel pump optional, but must be hooked up to the kill switch.

 17.     No hood or body modifications, except for working hood scoop of 6” and/or header exits.  Body must be steel. Must have factory firewall, bench seat or one bucket seat, switches optional. Wood and fiberglass beds are permitted. Any floor or tonneau cover permitted. Driveline must not be visible.

 18.     Must have working brakes on front. Lights and rear brakes optional.

 19.     Door has to work.  Glass, Plexiglass or lexan allowed.  No tinted windows.

 20.     Fire extinguisher in cab is required. Helmets and seatbelts required.

 21.     No planetary rear-ends.

 22.     All trucks will be pumped and checked before they can pull. They will have to provide two (2) intake bolts with holes of 1/16” to be sealed.

 23.     Rules will be reviewed on a yearly basis.

 24.     No Northwest Limited Modified 4 x 4 truck is eligible to pull Northwest Street Stock or Hi Performance. However, you can move to Northwest Super Stock, but you will have to stay in Northwest Super Stock for the remainder of the pulling year and must comply to all Northwest Super Stock rules. Any driver arguing with a track official is subject to immediate disqualification. All decisions of the track official will be final at each pull. Any protests will be settled at next club meeting.

No Northwest Limited Modified 4 x 4 truck is eligible to pull Northwest Street Stock or Hi Performance. However, you can move to Northwest Super Stock, but you will have to stay in Northwest Super Stock for the remainder of the pulling year and must comply to all Northwest Super Stock rules. Any driver arguing with a track official is subject to immediate disqualification. All decisions of the track official will be final at each pull. Any protests will be settled at next club meeting.

 1.        Super Stock FWD trucks shall follow the current NTPA safety rules for Modified FWD Trucks, unless superseded by the 2008 Northwest PA rules listed below.

 2.         Maximum wheelbase of 134” for FWD Super Stock Trucks. Must be OEM frame of same manufacture of truck.

 3.         Front axle must remain in intended original location. Center of front and rear wheels cannot exceed plus or minus two (2) inches of fender wheels being used.

 4.         Open body vehicles must have roll bar and driver must wear helmet and eye protection.

 5.         After market transfer cases and transmission permitted.

 6.         Engine limited to 410 cubic inches. Must be same manufacture as the truck. Any cam allowed and intake changes permitted with one (1) complete single four-barrel carburetor. Aluminum heads are allowed.  Aluminum block allowed must maintain stock bore spacing. Cubic inch checks may be conducted at the discretion of the competition director.

 7.         Fuel injection, air compressing devices, and aluminum engine blocks are not allowed.

 8.         All exhaust must exit vertically upward.

 9.         Engine to remain in stock location as intended by manufacturer, twelve (12) inches from center of front axle to rear of block.

 10.       Drawbar must be a minimum of 2 square inches total material (steel) at any point. This includes the area of the pin with the pin removed.

            A. No pin less than 7/8 inches.

            B. Drawbar must be equipped with a steel hitching device not more than 1-1/2” x 1/2” square (1-1/2” round stock at point of hook), with a 3” round hole, maximum 3-1/2” round hole.

            C. Length of hitch to be a minimum of 27% of wheelbase.

 11.       Tires – original tread pattern must be visual. Maximum tire circumference 110 inches, tire patch 18 inch maximum. Recaps allowed. Bar tires are permitted, maximum size 35 x 18.50 x 15 as stamped.

 12.       No deflector shields front or rear behind the tires.

 13.       Helmets – Must meet or exceed Snell 90 rating or must be SFI Spec. 31.2. No modifications or alterations of the helmets are allowed.

 14.       Fire Suits – Competing drivers are required to wear a minimum protective clothing of SFI 3.2A-1 driving suits and leather boots. Head socks and gloves are optional.

 15.       Weight – 5800 and 6200 lbs. classes.