Limited Full Size truck or SUV

DEFINITION

Vehicles built from a full sized 2 or 4 Wheel drive utility or SUV vehicles. Vehicle must have been series produced in quantities of at least 5,000 units within a 12-month period and be readily available to the general public in the U.S.A. Vehicle must be marketed as a full-sized utility, or sports utility vehicle.

GENERAL REGULATIONS

Entrants in this class shall comply with all applicable general regulations.

TECHNICAL REGULATIONS

Manufacturer’s body, engine, and chassis combinations must be retained. This class is an open production class and all components will be considered open unless restricted herein.

NOTE: The TR abbreviations listed under this class (I.E. TR1 HELMETS) refer to TR cross reference listings in the front of this book. These TR cross-referenced listings are part of the class rules. Where a conflict occurs between the TR cross-referenced listing and a rule contained under this class, the rule contained under this class takes priority.

SAFETY EQUIPMENT

TR1 HELMETS

See TR1 in Car/Truck/Moto Technical Rules.

TR2 PROTECTIVE CLOTHING

See TR2 in Car/Truck/Moto Technical Rules.

TR3 EYE PROTECTION and DENTURES

See TR3 in Car/Truck/Moto Technical Rules.

TR4 HEAD AND NECK RESTRAINTS

See TR4 in Car/Truck/Moto Technical Rules.

TR5 FIRST AID KIT

See TR5 in Car/Truck/Moto Technical Rules.

TR6 EMERGENCY SIGNALING DEVICES

See TR6 in Car/Truck/Moto Technical Rules.

TR7 HORNS

See TR7 in Car/Truck/Moto Technical Rules.

TR8 REFLECTORS

See TR8 in Car/Truck/Moto Technical Rules.

TR9 FIRE SUPPRESSION EQUIPMENT

See TR9 in Car/Truck/Moto Technical Rules.

TR10 SURVIVAL SUPPLIES

See TR10 in Car/Truck/Moto Technical Rules.

SUSPENSION COMPONENTS

TR11 SHOCK ABSORBERS and BUMP STOPS

Shocks may not protrude through the hood.

TR12 SECONDARY SUSPENSION

See TR21 in Car/Truck/Moto Technical Rules.

TR13 WHEELS and TIRES

See TR13 in Car/Truck/Moto Technical Rules.

TR14 FASTENERS

See TR14 in Car/Truck/Moto Technical Rules.

STEERING and BRAKE COMPONENTS

TR15 STEERING

See TR15 in Car/Truck/Moto Technical Rules.

TR16 BRAKES

See TR16 in Car/Truck/Moto Technical Rules.

ELECTRICAL SYSTEM

TR17 IGNITION

See TR17 in Car/Truck/Moto Technical Rules.

TR18 BATTERIES

See TR18 in Car/Truck/Moto Technical Rules.

TR19 LIGHTS

See TR19 in Car/Truck/Moto Technical Rules.

TR20 STARTERS

See TR20 in Car/Truck/Moto Technical Rules.

FUEL SYSTEM

TR21 FUEL

See TR21 in Car/Truck/Moto Technical Rules.

TR22 FUEL TANKS

Fuel cell mandatory.

TR23 FUEL FILLERS LINES, VENTS, and CAPS

See TR23 in Car/Truck/Moto Technical Rules.

ENGINE, TRANSMISSION and DRIVELINES

TR24 ENGINE and ENGINE DISPLACEMENT

Engine must be of the same manufacturer basic design and type and have the same number of cylinders as the one installed by the manufacturer. Any displacement engine may be used as long as the original block casting remains the same. Block must be made of the same type of material as that of the block that is installed in the vehicle by the manufacturer for the particular chassis and body series. If vehicle is supplied with an aluminum block, only the aluminum block installed in the vehicle by the manufacturer may be used. Engine must be readily available to the general public in the U.S.A.

Any make of automotive carburetor may be used but is restricted to one four-barrel. Stock factory fuel injection may be used.

Items with no restrictions include:

1. Strengthening and balancing
2. Valve train and camshaft
3. Bore and stroke
4. Pistons
5. Blueprinting
6. Oil and water cooling systems
7. Air cleaners
8. Fuel pumps
9. Exhaust system

Water and vapor injection not allowed unless originally equipped.

Engine must be located in the stock mounting location as delivered from the manufacturer ±1". This will be measured from the centerline of the front spindle to the back of the block. Height will be measured from frame rail to centerline of crank.

TR25 ENGINE REPLACEMENT

TR26 TRANSMISSION/DIFFERENTIAL

Rear differentials are open. Must retain straight axle type.

TR27 THROTTLES

See TR27 in Car/Truck/Moto Technical Rules.

TR28 EXHAUST

See TR28 in Car/Truck/Moto Technical Rules.

TR29 DRIVE SHAFTS

See TR29 in Car/Truck/Moto Technical Rules.

TR30 FLYWHEEL SHIELDS

See TR30 in Car/Truck/Moto Technical Rules.

TR31 FLUID COOLERS

See TR31 in Car/Truck/Moto Technical Rules.

TR32 AUXILIARY EQUIPMENT

See TR32 in Car/Truck/Moto Technical Rules.

TR33 SUPERCHARGERS and TURBOCHARGERS

See TR33 in Car/Truck/Moto Technical Rules.

VEHICLE SAFETY EQUIPMENT

TR34 ROLL CAGES

See TR34 in Car/Truck/Moto Technical Rules.

TR35 SAFETY HARNESS

See TR35 in Car/Truck/Moto Technical Rules.

TR36 SAFETY NETS

See TR36 in Car/Truck/Moto Technical Rules.

TR37 SEATING

GENERAL VEHICLE COMPONENTS

TR38 DRIVERS COMPARTMENT

See TR38 in Car/Truck/Moto Technical Rules.

TR39 DOORS AND LATCHES

See TR39 in Car/Truck/Moto Technical Rules.

TR40 FIREWALLS

See TR40 in Car/Truck/Moto Technical Rules.

TR41 BALLAST

See TR41 in Car/Truck/Moto Technical Rules.

TR42 WEIGHT

See TR42 in Car/Truck/Moto Technical Rules.

TR43 FLOORBOARDS

See TR43 in Car/Truck/Moto Technical Rules.

TR44 BUMPERS and HAZARDOUS PROTRUSIONS

See TR44 in Car/Truck/Moto Technical Rules.

TR45 MIRRORS

See TR45 in Car/Truck/Moto Technical Rules.

TR46 SKID PLATES

See TR46 in Car/Truck/Moto Technical Rules.

TR47 STORAGE

See TR47 in Car/Truck/Moto Technical Rules.

TR48 CHASSIS and BODY

Original wheelbase ±2 inches must be maintained.

Frames may be strengthened by adding material but must retain original stock configuration. No lengthening or narrowing of frame is allowed. No removal of material is allowed. Frame must remain stock length, but may be notched 8 inches (8”) at front of frame for ground clearance as long as top of frame rail is not modified. Rear frame maybe be notched at axle centerline. Total maximum notch length is eight (8) inches, four(4) inches in front of axle centerline and four (4) inches behind axle centerline. Maximum notch height is three and three quarters (3.750)inches, or to the bottom of the top horizontal frame section, whichever is shorter.

Body

Must maintain a production appearing body.

Stock appearing grill and headlight opening must be retained.

TR49 HOSES

See TR49 in Car/Truck/Moto Technical Rules.

TR50 IDENTIFICATION MARKINGS

See TR50 in Car/Truck/Moto Technical Rules.

TR51 ADVERTISING on VEHICLES

See TR51 in Car/Truck/Moto Technical Rules.

TR52 RADIO EQUIPMENT

See TR52 in Car/Truck/Moto Technical Rules.

TR53 WORKMANSHIP

See TR53 in Car/Truck/Moto Technical Rules.

TR54 TRACKING DEVICE

See TR54 in Car/Truck/Moto Technical Rules.