Unlimited chassis and suspension truck or SUV with restricted shocks, tire size, and engine.

DEFINITION

Restricted to 2 wheel drive. Vehicles must have a production appearing Utility or Sports Utility body. Engines limited to approved sealed engines as supplied by American Off-Road Racing Championship engine suppliers. See American Off-Road Racing Championship builders list.

GENERAL REGULATIONS

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

TECHNICAL REGULATIONS

This class is a restricted class. 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

Restricted to two (2) shocks per wheel.

Front shocks three and a half (3.5) inch maximum outside diameter.

Rear shocks four (4) inch maximum diameter.

No electrically controlled shocks.

Springs must be made of ferrous steel.

TR12 SECONDARY SUSPENSION

Not allowed.

TR13 WHEELS and TIRES

Maximum wheel size seventeen (17) inches.

Maximum tire size is thirty seven (37) inches.

Tires must be DOT.

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

Restricted to approved ECU.

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

See TR22 in Car/Truck/Moto Technical Rules.

Gravity refueling only. No pressurized fuel systems, no pumping systems.

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 is limited to a sealed V8.

Only the following engines are permitted:

• General Motors LS3 430 HP 19301326 or 19370416.
• Additional engines may be added after AORC reviews them i.e Ford, Mopar, etc.

Engines must be obtained and sealed by an American Off-Road Racing Championship approved engine supplier (see AORC approved engine builder list).

All engines restricted to stock wet sump oil pans. Oil pans may be modified for fit. Now dry sump oil systems are allowed.

All engines may use aftermarket fuel rails.

Any water pump, alternator, power steering pump may be used.(No electric water pumps) Oil accumulators are allowed. Any manufacture wiring loam may be used.

Restricted ECU.

TR25 ENGINE REPLACEMENT

See TR25 in Car/Truck/Moto Technical Rules.

TR26 TRANSMISSION

Any production based automatic transmission is allowed.

Base transmission must have been produced in quinities of one thousand (1000) units or more.

Transmission must have been supplied by a USA auto manufacturer.

No underdrives allowed.

Must be a solid rear axle.

TR27 THROTTLES

See TR27 in Car/Truck/Moto Technical Rules.

TR28 EXHAUST

See TR28 in Car/Truck/Moto Technical Rules.

TR29 DRIVE SHAFTS

Single drive shafts only.

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

No air/hydro jacking systems allowed.

See TR32 in Car/Truck/Moto Technical Rules.

TR33 SUPERCHARGERS and TURBOCHARGERS

Not allowed.

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

See TR37 in Car/Truck/Moto Technical Rules.

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

Minimum weight five thousand (5000) pounds.

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

Must maintain a production appearing utility or sports utility body.

Stock appearing grill and head light opening must be retained.

No carbon fiber body parts, including wet layup using carbon cloth.

Body subject to American Off-Road Racing Championship approval.

TR49 HOSES

See TR49 in Car/Truck/Moto Technical Rules.

TR50 IDENTIFICATION MARKINGS

American Off-Road Racing Championship will assign race numbers.

Must have AORC supplied decal on both sides of the vehicle.

No other racing promoters markings allowed.

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.