UNLIMITED TRUCK SPEC
Open Production – Limited Engine
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Unlimited 4 wheel vehicles. Vehicles must have a production appearing Utility or Sports Utility body. Engines limited to approved sealed engines as supplied by M400 engine suppliers. See M400 engine builders list.
Entrants in this class shall comply with all applicable general regulations.
This class is an open 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.
TR2 PROTECTIVE CLOTHING
TR3 EYE PROTECTION and DENTURES
TR4 HEAD AND NECK RESTRAINTS
TR5 FIRST AID KIT
TR6 EMERGENCY SIGNALING DEVICES
TR9 FIRE SUPPRESSION EQUIPMENT
TR10 SURVIVAL SUPPLIES
TR11 SHOCK ABSORBERS and BUMP STOPS
TR12 SECONDARY SUSPENSION
TR13 WHEELS and TIRES
STEERING and BRAKE COMPONENTS
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 a GM LS376/525 6.2 Liter, or a Ford Ecoboost 3.5 liter V-6. All engines must be sealed and supplied by a M400 approved builder (see approved engine builder list).
Power steering pump and alternator are open. Any stock oil pan may be used. Oil pan may be modified for fit. No dry sump. Pulleys and belts are open. Must use a stock production ecu. ECU may be reflashed. This is a sealed motor class and engine must be sealed by M400 before it is installed into vehicle.
If M400 at anytime during the racing season determines that any engine has an unfair advantage, we may equalize that engine either by a reduction in cc’s, restrictor sizing, turbo boost limits, etc. These changes may be required during the racing season.
TR25 ENGINE REPLACEMENT
Must use turbo 400 transmission. Any aftermarket replacement case may be used. Any under drive may be used.
Fly by wire throttle pedals may be used.
TR29 DRIVE SHAFTS
Straight axle, front engine only.
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
GENERAL VEHICLE COMPONENTS
TR38 DRIVERS COMPARTMENT
TR39 DOORS AND LATCHES
TR44 BUMPERS and HAZARDOUS PROTRUSIONS
TR46 SKID PLATES
TR48 CHASSIS and BODY
Must maintain a production appearing utility or sports utility body.
Stock appearing grill and head light opening must be retained.
Body subject to M400 approval.
TR50 IDENTIFICATION MARKINGS
M400 will assign race numbers.
TR51 ADVERTISING on VEHICLES
TR52 RADIO EQUIPMENT
TR54 TRACKING DEVICE