rules 2011 mudmania

• ENGINE SET BACK CANNOT EXCEED 12” FROM CENTERLINE OF THE FRONT AXLE TO THE NUMBER 1 SPARK PLUG ALUMINUM SMALL BLOCKS ALLOWED
• SINGLE CARBURETOR OR FACTORY EFI USING GASOLINE OR DIESEL ONLY
• ALL MECHANICAL FANS MUST HAVE A SECURED SHROUD
• BRAKES MUST WORK AT ALL FOUR WHEELS
• ANY D.O.T. UNCUT TIRE
• FRAME MUST BE CONSTRUCTED WITH A MINIMUM OF 2”X3” STEEL NO ROUND TUBE FRAMES
• BODY MUST RESEMBLE A FACTORY VEHICLE
• SAFETY RACING SEAT AND MINIMUM OF 5 POINT HARNESS REQUIRED 8 POINT ROLL CAGE (.093 DOM STEEL TUBING). AROUND DRIVER.
• HELMET, AND NECKBRACE REQUIRED
• FIRE SUIT REQUIRED
• ALL TRANSMISSIONS MUST HAVE NUETRAL OR CLUTCH SWITCH SAFETY SWITCH
• ALL VEHICLES WITH ELECTRIC FUEL PUMP MUST HAVE MASTER BATTERY DISCONNECT ON REAR
• ALL VEHICLES MUST HAVE CHARGED FIRE EXTINGUISHER



• No blowers
• No nitrous
• No paddles
• Cut DOT tires allowed
• If you can get in class three you can get in the mud



• BIG BLOCKS ALLOWED IN FULL SIZE ONLY
• ENGINE MUST BE IN STOCK LOCATION MOTOR PLATES ALLOWED (MINOR FIREWALL MODIFICATIONS ALLOWEDONLY ON BODY SWAPS)
• AFTERMARKET CAST IRON BLOCKS ALLOWED (NO ALUMINUM BLOCKS ALLOWED
• CONVENTIONAL STYLE ALUMINUM AND CAST IRON CYLINDER HEADS ALLOWED (NO RAISED RUNNER)
• WET SUMP OILING SYSTEM REQUIRED, EXTERNAL OIL PUMPS ALLOWED. ANY VACUUM PUMP OR EVACUATOR SYSTEM ALLOWED.
• SINGE CARBURETOR OR FACTORY EFI USING GASOLINE OR DIESEL ONLY
• OPEN HEADERS ALLOWED MUST
• AFTERMARKET CAST ALUMINUM INTAKE ALLOWED (NO SHEETMETAL OR TUNNEL RAMS)
• ALL MECHANICAL FANS MUST HAVE A SECURED SHROUD
• TIRES MUST BE UNCUT DOT
• FACTORY STYLE SUSPENSION FOR THE MAKE AND MODEL MUST RETAIN FACTORY MOUNTING POINTS
• NO COILOVER CONVERSIONS (FIBERGLASS SPRINGS ALLOWED)
• SHOCKS MAY BE RELOCATED
• STEERING MODIFCATOINS ALLOWED SUCH AS RACK AND PINIOn
• LADDERBARS ALLOWED WITH FLOATERS OR SLIDERS
• NO RACING STYLE THREE OR FOUR LINK SUSPENSIONS
• NO SOLID FRONT AXLE CONVERSIONS
• TRANSBRAKES AND TRANSMISSION MODIFICATIONS ALLOWED
• OEM STYLE TRANSFER CASE REQUIRED NO AFTERMARKET CHAIN DRIVES ALLOWED
• MUST RETAIN ALL FACTORY INTERIOR AND EXTERIOR PANELS (DASH, DOOR PANELS, FRONT BUMPER, ETC)
• DIFFERENT YEAR BODY FRAME SWAPS ALLOWED WITH MID/SMALL TRUCKS RUNNING ONLY SMALL BLOCKS
• WHEEL BASE MUST MATCH, MOUNTING MUST RESEMBLE FACTORY MOUNTS AND BE MOUNTED SAFETLY
• MUST HAVE BEEN FACTORY AVAILABLE AS A FOUR WHEEL DRIVE
• LEXAN ALLOWED IN ALL WINDOWS BUT ALL OPENINGS MUST BE COVERED(GLASS OR LEXAN)
• MUST HAVE ALL FACTORY CROSS MEMBERS IN PLACE
• NO FIBERLASS BODY PANELS UNLESS FACTORY PRODUCED (HOODS AND SCOOPS ALLOWED)
• MINOR TRIMMING FOR TIRE CLEARANCE ALLOWED
• GAS TANK AND BATTERY MAY BE RELOCATED (MUST BE SAFELY SECURED)
• FACTORY TYPE BED FLOOR OR MINIMUM OF .092 CARBON STEEL OR 3/16” ALUMINUM PLATE.(TAILGATE NOT REQUIRED)
• MAY REMOVE THE DOORS FROM CJ, YJ, TJ, SCOUT, 66-77 BRONCO AND 69-72 BLAZER.
• VEHICLES WITH FACTORY REMOVABLE TOPS MAY BE REMOVED W/MIN. OF 4 POINT ROLL BAR PROTECTION
• SAFETY RACING SEAT AND MINIMUM OF 5 POINT HARNESS REQUIRED
• ALL VEHICLES MUST HAVE 6 POINT ROLL CAGE (MIN .093, 1.5 INCH STEEL TUBING). AROUND DRIVER.
• (MUST HAVE ARM AND LEG RESTRAINTS SUCH AS CLOTH DOORS, NETTING OR SAFETY BARS IF DOORS ARE REMOVED
• HELMET, AND NECK BRACE REQUIRED
• ALL TRANSMISSIONS MUST HAVE NUETRAL OR CLUTCH SWITCH SAFETY SWITCH
• ALL VEHICLES WITH ELECTRIC FUEL PUMP MUST HAVE MASTER BATTERY DISCONNECT ON REAR
• ALL VEHICLES WITH TRANSBRAKE REQUIRE SFI CASE OR BLANKET/SHIELD
• ALL VEHICLES MUST HAVE CHARGED FIRE EXTINGUISHER



• Big Blocks full size Vehicles only
• All engines Must pull 15” of steady vacuum from the carb, or throttle body using the tech’s gauges
• No Aluminum Blocks
• No predator or dominator carbs allowed. 4150's are ok
• No nitrous allowed all bottles must be removed
• NO vacuum pumps
• Open headers allowed, must be down and back
• Aftermarket cast aluminum intake allowed no sheet metal or tunnel rams
• No Solid axle conversions
• Minor trimming allowed for tire clearance
• Factory suspension for the make and model must be retained and in its original location
• No fiberglass leafs or coilovers
• Fixed ladder bars without floater or sliders
• No trans-brakes or other staging devices allowed in vehicle
• No two-step switches
• Must have unmodified matching body and frame
• No fiberglass body panels unless factory produced, modified or aftermarket direct replacement hood allowed ( if it doesn’t impair vision)
• Factory type bed floor or min .092 carbon steel or 3/16” aluminum plate
• Aftermarket seats and harness allowed
• Must retain all factory interior and exterior panels (windshield, dash, front bumper, ect.)
• Helmet Seat Belt Valid Driver’s license required
• Tires must be uncut dot tires Same Height Tires, width may vary
• No aluminum Heads or blocks
• Uncut matching Body & Frame



• No engine swaps, must have been available in the make and model
• Big Blocks allowed in ¾ ton and heavier
• All engines must pull 17” of steady vacuum at 1000 rpm’s to be checked by the track tech’s gauge. The track tech’s gauge will be the only gauge to check this rule
• No aluminum heads
• Aftermarket Aluminum (Dual Plane only) allowed
• Engine must retain its original locations and mounts no motor plates allowed
• Radiator, fuel cell and battery must retain its original location
• Single OEM style carburetor must choke provisions, no predator or dominator carbs allowed
• No fiberglass tubs or body panels
• Must retain all interior components including passenger seating down to window cranks
• No solid axle conversions
• If in a vehicle without a tip you must have a min of a 4pt rollbar
• Helmet, seatbelt, and valid driver’s license
• Must have 4 uncut DOT tires of the same height and width with stamp on sidewall
• Must retain full exhaust and extend past cab, or passenger seating if in a SUV.



• Stock 4 or 6 cylinder gasoline motor
• STOCK matching body and frame
• Same height and width tires on all 4 wheels
• DOT tires
• 17” of vacuum @ 1000 RPMS
• Full exhaust