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Class 8

CLASS 8
PRODUCTION – Full Size Utility Vehicles

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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.  Click here to view the TR cross-referenced listing.  

SAFETY EQUIPMENT

TR1 HELMETS
TR2 PROTECTIVE CLOTHING
TR3 EYE PROTECTION and DENTURES
TR4 HEAD AND NECK RESTRAINTS
TR5 FIRST AID KIT
TR6 EMERGENCY SIGNALING DEVICES
TR7 HORNS
TR8 REFLECTORS
TR9 FIRE SUPPRESSION EQUIPMENT
TR10 SURVIVAL SUPPLIES

SUSPENSION COMPONENTS

Front Suspension
Front suspension must be of the same configuration as originally produced and installed
on the chassis to which it is mounted. Suspensions may be strengthened, reinforced,
or replaced in any manner so long as original stock concept (a-arm, I-beam, etc.) is
retained. Pivot points are open. Ball joints may be of any manufacturer. Spindles may
be of any manufacture. Vehicles with straight axle front suspension may modify suspension configuration to utilize a link and coil over system.

Rear Suspension
Rear suspension must utilize an automotive differential. Suspension support system is
open (quarter-elliptical, coil- over, four-link, etc.). Spring rates, capacities and location is
open. Tires must retract inside of fender wells. Front and rear wheel travel is open.

TR11 SHOCK ABSORBERS and BUMP STOPS
Number of shocks and mounting methods are open. Mounting points are open. Shocks may be remote mounted. Hydraulic bump stops are permitted.

TR12 SECONDARY SUSPENSION
TR13 WHEELS and TIRES
TR14 FASTENERS

STEERING and BRAKE COMPONENTS

TR15 STEERING
TR16 BRAKES

ELECTRICAL SYSTEM

TR17 IGNITION
TR18 BATTERIES
TR19 LIGHTS
TR20 STARTERS

FUEL SYSTEM

TR21 FUEL
TR22 FUEL TANKS
TR23 FUEL FILLERS LINES, VENTS, and CAPS
Fuel cell mandatory.

ENGINE, TRANSMISSION and DRIVELINES

TR24 ENGINE and ENGINE DISPLACEMENT
Engine must be of the same manufacturer, basic design type and have the same number of cylinders as installed by the manufacturer. Any displacement engine may be used. Block may be of any manufacture. Engine must be readily available to the general public in the USA. Front engine only, no rear or mid engines allowed.

Trucks or sports utility vehicles delivered with a turbocharged V6 gasoline engine are allowed to retain that engine package. Items with no restrictions include:

A. Strengthening and balancing.
B. Valve train and camshaft.
C. Bore and stroke.
D. Pistons
E. Blueprinting.
F. Oil and water-cooling systems. Dry sumps are permitted.
G. Heads
H. Air cleaners.
I. Fuel pumps.
J. Exhaust systems (must have muffler or spark arrestors.)

Any make of carburetor will be permitted. Stock factory fuel injection is permitted. Aftermarket port injection is not permitted.

TR25 ENGINE REPLACEMENT
TR26 TRANSMISSION
DIFFERENTIALS
Rear differentials are open. Must retain straight axle type.

TR27 THROTTLES
TR28 EXHAUST
TR29 DRIVE SHAFTS
TR30 FLYWHEEL SHIELDS
TR31 FLUID COOLERS
TR32 AUXILIARY EQUIPMENT
TR33 SUPERCHARGERS and TURBOCHARGERS

VEHICLE SAFETY EQUIPMENT

TR34 ROLL CAGES
TR35 SAFETY HARNESS
TR36 SAFETY NETS
TR37 SEATING
No center seating.

GENERAL VEHICLE COMPONENTS

TR38 DRIVERS COMPARTMENT
Vehicles using fiber glass cab and/or fiber glass doors in order to protect occupants side sheet metal is required. Sheet metal is required from front firewall to B-pillar tube, from floor tube to elbow tube. Vehicles with fiber glass roofs are required to have sheet metal covering cage above occupants.

TR39 DOORS AND LATCHES
TR40 FIREWALLS
TR41 BALLAST
TR42 WEIGHT
Vehicles competing in this class must have a dry weight of 4000 lbs minimum.

TR43 FLOORBOARDS
TR44 BUMPERS and HAZARDOUS PROTRUSIONS
TR45 MIRRORS
TR46 SKID PLATES
TR47 STORAGE
TR48 CHASSIS and BODY
Wheel opens in both front and rear fenders may be enlarged or flared to facilitate tire clearance, Stock body lines must be retained. Front and rear fenders maybe of any material. Hinged front ends not permitted.

Chassis
Manufacturer’s chassis and body combinations must be retained to the rear of the cab.
Original wheelbase as delivered from the manufacture must be retained plus or minus
two(2) inches.

Frame rails must remain stock shape, size, length, configuration, and material to the rear
of the cab.

No material may be removed from frame rails with the except for the following:
The front end of the frame rail may be notched a maximum of 8 inches from the end for
ground clearance. Top of frame rail must remain stock from front bumper mount to rear
of cab.

Body
Body must resemble a truck or SUV. Motor and body must match and have the correct grill and emblem of manufacturer (i.e. Ford Oval or Chevy Bowtie)

Hoods, trunk lids, doors, fenders, and bedsides are required. Hoods, front fenders, doors, and bedsides may be made of fiberglass. Pickup bed floor and inner fender wells may be removed. Tailgates and pickup bed front panels are optional.

Front Grill assembly must resemble stock appearance, (ie. Decals or fiberglass.) Safety glass windshields, side, and rear glass are optional.

TR49 HOSES
TR50 IDENTIFICATION MARKINGS
M400 will assign race numbers.

TR51 ADVERTISING on VEHICLES
TR52 RADIO EQUIPMENT
TR53 WORKMANSHIP
TR54 TRACKING DEVICE