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This September Fairgrove will be holding the 67th Michigan Bean Festival.   In 1946, the Fairgrove Business Men's Association started this event with a Na...

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Home Mud Bog

Stock: Class #1 36.5" and Under DOT Type Tires
1. Must be able to drive on the road
2. 4x4 vehicles only
3. Engine must be factory equipped to vehicle, in stock location
4. No gutting or stripping, flat beds are allowed but must have a bed, Jeeps must have doors and a top 
5. No nitrous or exotic fuels
6. No relocation of drivetrain components, lift kits are allowed
7. No open exhaust, headers ok and must have some sort of muffler, no uprights
8. Must be DOT approved tires, No Boggers, terra, scoops or cut/modified tires

Pro Open: Class #2 Anything Goes
1. Engine, body, frame and chassis open
2. Tire size open, cuts, paddles and scoops allowed, no tractor tires
3. All fuel allowed, blowers, turbos and nitrous allowed.
4. Must have approved driveshaft loops, u-joint shields recommended
5. Adjustable coil-overs acceptable
6. Minimum of 6 point roll cage required
7. Must have a minimum 4 point harness
8. Brakes capable of stopping vehicle in a safe distance
9. Tranny shield or approved case 
10. Master kill switch on back of vehicle 
11. Fire Suit Required, Minimum of SFI-5 Rated Suit for all Alcohol Motors

Super Stock: Class #3 36.5" and Under DOT Type Tires
1. Full stock appearing body, jeeps must have doors and a top of some sort 
2. Must be factory firewall and floor boards, light gutting allowed i.e. carpet, seats, dash, glass…
A. Firewall and Floor Boards made from Factory Thickness or thicker material
2. Body and frame must be production made, flat beds are allowed but must have a bed
3. Naturally aspirated, no blowers, no exotic fuels, no nitrous (bottle must be removed)
4. Axles must be within 6 inches of center of wheel wells
5. DOT type tires only, no cuts/modified, paddles or tractor tires
6. Approved driveshaft loops recommended
7. No 3 link or 4 link suspension allowed, no adjustable coil-overs
8. Engines must maintain harmonic balance to centerline of front axle not behind
9. Max engine size 514 CID
10. Wide five rims acceptable with adapter plate, no wide five hubs or aluminium hubs
11. No trans brake
12. OEM style factory transfer case, one that came from factory, no chain drive or quick change cases

Pro Modified: Class #4 DOT (any size)
1. Engine, body, frame and chassis open
2. Tire size open. cut tires allowed, no paddles or tractors
3. All fuel allowed, fuel injection allowed, no blowers, turbos or nitrous (bottle must be removed)
4. Must have approved driveshaft loops, u-joint shields recommended
5. Adjustable coil-overs acceptable
6. Minimum of 6 point roll cage required
7. Must have a minimum 4 point harness
8. Brakes capable of stopping vehicle in a safe distance
9. Tranny shield or approved case
10. Master kill switch on back of vehicle

Modified: Class #5 40" and Under DOT Type Tires
1. Any motor and drive train combination allowed
2. Full stripping and gutting allowed
3. Body and frame must be production made, flat beds are allowed
4. Naturally aspirated, no blowers, no exotic fuels, no nitrous (bottle must be removed)
5. Axles must be within 6 inches of center of wheel wells
6. DOT type tires only, no cuts/modified, paddles or tractor tires
7. Must have approved driveshaft loops
8. No 3 link or 4 link suspension allowed, no adjustable coil-overs
9. Motor set back number one spark plug 12" from center of axle
10. Wide five rims acceptable with adapter plate, no wide five hubs or aluminium hubs
11. Max engine size 545 CID

Modified: Class #6 54” and Under DOT Type Tires
1. Engine, body, frame and chassis open
2. DOT type tires only, no cuts/modified, paddles or tractor tires
3. Any fuel naturally aspirated. Fuel injection allowed. No blowers or nitrous (bottle must be removed)
4. Adjustable coil-overs acceptable
5. Must have approved driveshaft loops, u-joint shields recommended
6. Minimum of 4 point roll cage recommended 
7. Must have a minimum 4 point harness
8. Brakes capable of stopping vehicle in a safe distance
9. Tranny shield or approved case recommended

Mega: Class #7 Tractor Tire
1. Engine, body, frame and chassis open
2. Tire size open, must have all 4 tractor tires to run this class
3. All fuel allowed. blowers, turbos and nitrous allowed.
4. Must have approved driveshaft loops, u-joint shields recommended
5. Adjustable coil-overs acceptable
6. Minimum of 4 point roll cage required
7. Must have a minimum 4 point harness
8. Brakes capable of stopping vehicle in a safe distance
9. Master kill switch on back of vehicle recommended 
10. Fire Suit Required, Minimum of SFI-5 Rated Suit for ALL Alcohol Motors