Street 4 X 4 Gas Truck
Weight: 6300 lbs. maximum
weight with driver. All vehicles must cross the scales prior to participating.
Fuel and water may not be added after crossing the scales – except if
qualified for a pull-off.
Ballast: Additional added
weight is permitted. Hanging weights and brackets may not extend more than 195
inches from the centerline of the rear axle. Trucks with longer wheelbases are
welcome to participate and may place weights securely fastened inside the engine
compartment, but not inside the cab.
exterior must be stock in appearance. Body and frame must match. No mini truck
body or frames (i.e. Ranger, Dakota, s-10).the complete truck body must have
factory sheet metal and factory glass windows. the cab must have O.E.M. firewall
and O.E.M. floor for safety. Wooden flatbeds are permitted. Fiberglass hoods and
fiberglass hood scoops are permitted. Fiberglass body panels are not permitted
unless they are O.E.M factory parts for the make and model of the truck and used
as the manufacturer intended.
Frame/Suspension: Factory 1
ton or less full size truck O.E.M. frames are required. Altering the frame
length is not permitted. Frame strengthening such as gusseting and ladder bars
is acceptable. No tube frames or homemade frames are accepted. a solid blocked
rear suspension is permitted. Adjustable caster/camber pillow ball mounts are
permitted. The lower control arm may be strengthened provided factory-mounting
points to chassis are maintained. The lower mounting point for the strut
assembly may be modified for improved caster or camber. Strut tower braces,
lower tie bars, sway bars, and limit straps are permitted. Traction bars and
devices are permitted. lift kits are acceptable. If air bags are used valve must
be at bag.
Wheelbase: The vehicle must
retain the original factory wheelbase (+/- 1”); the wheelbase must be
compatible to the body used.
Engine: Engine must remain
behind the radiator. Radiator mush be in the stock location. No aluminum engine
blocks are permitted unless O.E.M. Cast iron blocks only, aluminium intakes are
permitted. Any cast iron or conventional type aluminium cylinder heads
permitted. No sheet metal, or tunnel ram intakes permitted. Dry sump oiling
systems permitted. Dominator carbs are permitted. No turbos, superchargers,
injection, efi, split or dual carbs. One spark plug per cylinder. Open headers
are approved. Engine exhaust must be routed in following ways:
1). Engine exhaust may be
routed vertically up thru the vehicles hood. The exhaust
must be minimum 6” higher
than the hood when the hood is in the closed position.
2). Exhaust routed under
the vehicle must exit under the cab and but before the rearaxle.
3). Factory type Configuration
Swaps between manufacturers
are not permitted.
Kill Switch: All trucks
must be equipped with a kill switch. A true street truck which is still
licensed, inspected and legal for the street may be permitted to pull without a
kill switch with Tech Officials approval.
Fuel and Fuel Tanks:
Gasoline is the only type fuel permitted. Turbo-blue and cam-2 are permitted. No
propylene oxide additives or the like. Fuel tanks must in the stock location or
may be in the bed. Exception: fuel tanks may also be mounted on the front, but
must be completely enclosed within the weight box and not visible. in this case
a manual fuel shutoff (ball valve easily accessible from the front part of the
truck) is required on the weight box.
Nitrous Oxide: Nitrous
oxide is prohibited. All other oxygen extenders are prohibited. System
components must be removed from the truck.
Batteries: Batteries must
be securely mounted; batteries must either be in the stock location or these may
be moved into the bed or they may also be mounted on the front, but must be
completely enclosed within the weight box and not visible. in this case a manual
battery disconnect (easily accessible from the front part of the truck) is
required on the weight box.
Cooling System: Radiators
must be in the stock location and at least of stock size.
Hitch: The hitch must be
stationary in all directions. The hitch’s height from the ground may not
exceed 26 inches. The length of the hitch measured from the center of the rear
axle to the hitch point may be no shorter that 27% of the actual wheelbase of
the truck and a maximum of 36” in length. All hitch mounting points must be
located below the frame rails. The area where the hook point is at must be free
and clear of any obstructions. A truck may compete with a Reese style hitch or
may pull form the bumper as long as it meets the 27% rule. The hooking point
must have a minimum 3.75 inch inside diameter opening. No lever, pivot, axis, or
other types of “trick” hitches are permitted. no vertical hitches, all
hitches must be 33 degrees or less parallel to the ground. A second hitch is not
required in this class.
Tires: Maximum tire size 36×14.5.
All tires must carry a D.O.T. number on the side wall, dot number must be easily
read from the outside of the tire. No dual wheels, studded tires, tire chains or
any tire not specifically intended for street use are not permitted. Use of dirt
deflectors is prohibited.
Tire Altering: No cut,
altered or sharpened tires are permitted.
Brakes: Front hydraulic
brakes are mandatory. driveline brakes accepted.
Driveline: Transmission and
transfer case and front and rear differentials must be O.E.M. and available in a
one ton (or smaller) pick-up truck.
Required on all truck that are not
licensed for the highway.
Required on all trucks that are not properly
inspected for the highway. Trucks must have at least six inch wide u-joint
shields around the rear u-joints constructed of at least 1/4 inch steel or
3/8 inch aluminum that will safely contain the u-joint and the ends of each
shaft. In addition there will be at least one shaft loop in the middle of
the drive shaft. All shields must be securely mounted to the vehicle. Any
front shaft u-joint that is visible from the side of the truck must be
shielded to contain the u-joint and the end of the shaft.Flywheel Shield
Non-OEM transmissions are
prohibited. a clutch meeting minimum SFI spec 1.1 or 1.2 is mandatory on all
vehicles. All transmissions must be clutch assisted. sequential shifters are
Required on all truck that are not licensed
for the highway.
Required on all trucks that are not properly
inspected for the highway. Must use a properly attached blanket that
completely covers the bell housing. It must be attached to the block and
extend rearward to the transmission with a minimum six inch overlap where it
is fastened.Driver Restraint System:The OEM restraint system is mandatory
and must be utilized during competition.Helmet:Motor sport type helmet is
required for all drivers of trucks.FireSuit:SFI approved fire jacket, long
pants and leather shoes are recommend for all drivers of trucks that are not
currently licensed, insured and inspected for street use.Event
Operation:Driver’s window must be rolled completely up while competing.
Other windows on the truck may be lowered. Passengers are not permitted in
the truck at any time either in the pits or on the track.
· Trucks in this class do not have to be
licensed or inspected or insured.
Any street licensed truck that chooses to enter this class must be fully licensed and insured