Dirt Drags / Mud Bog
Classes Rules

Dirt Drag Rules

Open

Class must have a minimum of 3 truck entries to have the class.

  1. No nitro methane.

  2. Must have window net or arm restraint if doors are removed.

  3. Racing seat required.

  4. Minimum 8pt cage required.

  5. Must have functional brakes.

  6. DOT Helmet, neck restraint, fire suit, gloves, racing seat belts, and fire extinguisher required (must be within drivers reach).

  7. Must have rear battery disconnect.

  8. If running a trans brake must have SFI approved transmission case, shield, or blanket.

Pro - Modified

Engine:

Class must have a minimum of 3 truck entries to have the class.

  1. No aluminum or Billet Blocks allowed.

  2. No Billet heads allowed.

  3. No sheet metal intakes allowed.

  4. Single Carburetor only.

  5. No Nitro Methane.

  6. No power adders allowed.

Chassis:

  1. No scoop tires allowed.

  2. No rails or center seat vehicles.

Safety:

  1. Must have window net or arm restraints if doors are removed.

  2. Minimum 8-point cage required.

  3. If running trans brake must have SFI approved transmission case, shield or blanket.

  4. Must have fictional Brakes.

  5. DOT Helmet, neck restraint, fire extinguisher required (must be within drivers reach).

  6. Must have rear battery disconnect.

Super Street

Class must have a minimum of 3 truck entries to have the class.

Engine:

  1. Big blocks in full size only.

  2. Engine must be in stock location.

  3. No billet or aluminum blocks allowed.

  4. NO prostock/nillet heads allowed.

  5. No tunnel ram or sheet metal intakes allowed.

  6. NO dry sump oiling systems allowed.

  7. Single carburetors only.

  8. No stretched carburetors allowed.

  9. No nitro methane.

  10. No power adders.

Chassis/Tires/Suspension:

  1. No scoops allowed.

  2. Suspension must be the original type for the make and model.

  3. No racing style 3 link or 4 link suspensions.

  4. No coil over conversions.

  5. No homemade radius arms.

  6. No Open chain drivers allowed

  7. No dana 30 front ends in full size trucks.

Frame/Body:

  1. Must retain all exterior body panels.

  2. Must be four-wheel drive.

  3. Lexan windows allowed.

  4. No fiberglass panels unless factory produced (fiberglass hoods allowed).

  5. Trimming for tire clearance allowed.

  6. MUST HAVE BED FLOOR.

Safety:

  1. Minimum of 6pt cage required if vehicle runs faster than 3.5 seconds.

  2. If running a trans brake must have SFI approved Transmission case, shield or blanket.

  3. If vehicle does not have doors must have window or arm restraints.

  4. Racing seat required.

  5. Must have four-wheel functional brakes.

  6. DOT Helmet, neck restraint, fire suit, gloves, racing seat belts, and fire extinguisher required (must be within drivers reach).

  7. Must have rear battery disconnect.

Hot Street

Class must have a minimum of 3 truck entries to have the class.

Engine:

  1. Big blocks in full size only (engine must match make of body).

  2. Stock OEM production cast iron cylinder heads and engine blocks ONLY.

  3. No tunnel ram or sheet metal intakes allowed.

  4. No aftermarket ingnitions with adjustable timing controller or electronic timing boxes, must be mounted in a visible location.

  5. Vehicle must have been available as a V8 to run a V8.

  6. Single 4150 style carburetors only.

  7. Must pull 15” of vacuum at 1000 RPM’s.

  8. No alcohol.

  9. No nitro methane.

  10. No power adders.

  11. No vacuum pumps.

  12. Headers must exit down and back.

  13. No radiator relocation (must be in front of engine).

  14. Engine must retain OEM mounting previsions.

Tires/Suspension:

  1. Tires must be uncut DOT up to 39.5.

  2. No cut tires.

  3. No scoop tires.

  4. No tractor tires.

  5. No suspension modifications.

  6. No steering modifications.

  7. Factory style suspension for the make and model (minimum of three full steel leaf in the rear and two in the front).

  8. No cutting or modifying of springs.

  9. No fiberglass leaf springs. allowed.

  10. Fixed ladder bars ONLY.

  11. No floaters/sliders.

  12. NO racing style or homemade 3 link or 4 link suspension.

  13. NO coil over conversions.

  14. NO Homemade radius arms.

  15. No aftermarket transfer cases, or chain drivers allowed.

  16. No dana 30 front ends in full size trucks.

Frame/Body:

  1. Must have unmodified body and frame.

  2. NO fiberglass panels unless factory produced (aftermarket fiberglass hoods allowed).

  3. MUST HAVE BED FLOOR.

  4. Must retain all factory interior and exterior panels (inner fenders, doors, dash, door panels, bed fenders, bed steps, etc.).

  5. Trimming for tire clearance only.

  6. NO removal of doors (NO exceptions).

  7. Must have OEM safety windshield.

  8. No lexan windshield.

Safety:

  1. Minimum of 6pt cage required if vehicle runs faster than 3.5 seconds.

  2. If running a trans brake must have SFI approved transmission case, shield or blanket.

  3. Must have four-wheel functional brakes.

  4. DOT helmets and seat belt required.

  5. Fire suit not required but recommended.

  6. Fire extinguisher required (must be within drivers reach).

  7. Must have rear battery disconnect.

Modified Street

Class must have a minimum of 3 truck entries to have the class.

Engine:  

  1. Stock OEM production cast iron cylinder heads and blocks.

  2. No aftermarket ignitions with adjustable timing controller or electronic timing boxes, must be mounted in a visible location.

  3. No engine swaps must have been available in that make and model.

  4. Big blocks in 3/4 ton and up only (engine must match make of body).

  5. No tall deck blocks allowed.

  6. No tunnel ram or sheet metal intakes allowed.

  7. Single 4150 style carburetor only.

  8. Vehicle must have been available as a V8 to run a V8.

  9. BIG BLOCKS MUST pull 17” of vacuum at 1000 RPMs.

  10. SMALL BLOCKS MUST pull 15” of vacuum at 1000 RPM’s.

  11. Must have all required street legal exhaust.

  12. No vacuum pumps allowed.

  13. Radiator must be in stock location.

  14. Engine must be in stock location with stock OEM mounting previsions.

  15. No alcohol Allowed.

  16. No nitro methane allowed.

  17. No power adders allowed.

Drivetrain/Tires and Suspension:

  1. Tires must be uncut DOT up to 38.5”. (tires must be same height or equivalent).

  2. No cut tires allowed.

  3. No scoop tires allowed.

  4. No tractor tires allowed.

  5. Factory style suspension for the make and model (minimum of three full steel leaf in the rear, and two in front).

  6. No cutting or modifying of springs.

  7. No fiberglass leaf springs allowed.

  8. No coil springs.

  9. No adjustable shocks.

  10. No solid front axle conversion.

  11. No trans brakes allowed.

  12. No electric or air shifters allowed.

  13. No aftermarket transfer cases, or chain driver allowed.

 Frame and Body:

  1. Must have all required street legal requirements, lights, dash, door panels, bumper, etc.

  2. Racing seats allowed but must retain seating for two with safety harnesses for two.

  3. Battery must be in the factory location.

  4. Must have unmodified matching body and frame.

  5. No fiberglass body panes unless factory produced (fiberglass cowl hoods allowed).

  6. Trimming for tire clearance only.

Safety:

  1. Minimum of 6pt cage required if vehicle runs faster than 3.5 seconds.

  2. Must have four-wheel functional brakes.

  3. DOT Helmet and seatbelts required.

  4. Fire suit not required but recommended.

  5. Fire extinguisher required (must be within drivers reach).

Pure Street (100% pay-back)

Class must have a minimum of 3 truck entries to have the class.

Engine:

  1. No diesel engines allowed.

  2. Stock factory OEM production engine blocks and heads.

  3. Big blocks in 3/4 ton and up only (engine must match make of body).

  4. NO aluminum heads other than factory installed.

  5. No aftermarket ignitions.

  6. No engine swaps.

  7. Single factory or OEM style carburetor, must have vacuum secondaries, and choke or factory EFI.

  8. No power adders.

  9. Must have full functional street legal exhaust.

  10. Must have factory engine accessories belt driven by crankshaft.

  11. Engines must pull 18” of vacuum at 1000 RPMs.

Drivetrain/Tires/Suspension:

  1. All tires must be DOT approved 38.5” Tall or smaller.

  2. No stagging tires (width/height).

  3. No boggers.

  4. No coil springs, adjustable or racing style shocks.

  5. No trans brakes or staging devices.

  6. No air or electric shifters.

  7. No aftermarket transfer cases or chain drives.

Frame and Body:

  1. Must have unmodified matching body and frame.

  2. No cutting or gutting of body or frame allowed.

  3. Must be street legal with all required street equipment (bumpers, working lights, wipers, etc.).

  4. Must retain all factory interior and exterior components (glass, dash, heater controls, instrument panels, etc.

  5. No fiberglass body panels unless factory produced.

  6. No fuel cells.

  7. Battery MUST be in stock location.

  8. Full functioning flat beds allowed.

Safety:

  1. Helmet and seat belts required.

Consistency (100% pay-back)

  1. $25.00 Entry Fee.

  2. Each driver gets two passes only.

  3. The driver with the most consistent time wins.

Mud Bogs Rules
Sponsored by NAPA of Ripley & Ravenswood

All Class must have a minimum of 3 truck entries to have the class. Please see our WVDD General Rules for racer safety, vehicle safety, and pay structures.

“A” Class: (1005 Pay-back):

  1. Daily driver (must have current license and insurance).

  2. No purpose-built race trucks.

  3. No antique or classic tags.

  4. Tech Official has final say.

“B” Class: (100% Pay-back):

  1. Must meet Pure Street Speed pit Rules (with exception of tire size).

  2. 0-36” DOT (No boggers).

“C” Class:

  1. 0-38.5” DOT (no power adders, no nitro methane).

  2. Big Blocks in 3/4 ton or heavier.

  3. Small blocks 15” vacuum, Big blocks 17” vacuum.

“D” Class:

  1. 0-39.5” DOT 15” vacuum, (no power adders, no nitro methane).

“E” Class:

  1. 0-38.5” DOT, (no power adders, no nitro methane).

“F” Class:

  1. 0-44” FOT, (no power adders, no nitro methane).

“G” Class:

  1. Cut/Tractor (no power adders, no nitro methane).

“H” Class:

  1. Open (no nitro methane).