Slippery Rock Dunes
2008 Mud Bog Classes & Rules

Street Legal Classes
S--1 4&6 cylinder up to 33 inch Tires
S--2 V-8 up to 33 inch Tires
S-3 34 up to 44 inch Tires

All Tires Must Be Dot Approved & No Cuts
Must Be Street Legal
Seat Belts Required
Closed Exhaust
Open Differential Front & Rear Rear Posi Permitted
No Nitrous or Blower Permitted
All Body Panels & Glass Must be in place

Modified Classes
M-A 4&6 Cylinder up to 33 Inch
M-B V8 up to 35 Inch Tires
M-C V8 36 inch to 44 Inch tires
Modified Rules
No Nitrous or Blowers
No Mid or Rear Engines Permitted
Driver Must Sit on Left Side in OEM Location
Suspension Maybe Lifted but in OEM Location Front & Rear
Transmissions & Transfer Cases Must Be OEM No Chain Drive
Seat Belts, Helmets, & Fire Extinguisher Required
Role Cages & 5 point Harnesses Recommended
Any enclosed Vehicles Must Have Working Door on Both Sides
Must Have Hooking point on Rear

Open Small/ Open Big Class
No Nitrous Or Blower
Must Have a Minimum of 4 point Roll Cage
2X4 box Frame permitted no tube frames
Loops required on both front & rear drive shafts
Any size tires up to 60 inches
Cut Tires allowed in this class
Rear tow point required
Fire extinguisher & seat belts required
A min of two return springs required on throttle foot retun suggested
Kill switch must be mounted within drivers reach while strapped in
Any floor not oem must have scatter shields to protect driver
Center driver seat is permitted in this class

CLICK HERE FOR
RULES
AND ENTRY FEES