2011 west texas outlaws mud bog rules
Stock Class
Tires
35 inch and under
D.O.T. tires only
No cut tires allowed!
Engines
Stock displacements only. Must be correct for year, make, and
Model (year model).
No strokers.
Big Block in ¾ ton or VIN matching truck
No race ignition.
Gasoline or diesel only.
OEM cylinder heads only, original aluminum only.
No roller lifters. No roller rockers. Stock stamped only.
Must maintain 13 inches of vacuum @ 800 rpm.
Any dual plane manifold allowed. Open plenum ok.
Headers allowed. Must exit down. May be open.
No electric water pumps.
Pump gas only. No additives. No race fuel.
If we smell it your bumped or out!!!!!
Transmission
Must be original trans for year model.
No Trans Brakes allowed.
No stall converters allowed
Original transfer case only.
No line locks.
Body
No body swaps. OEM only.
Body and interior must be completely intact, no gutting.
Only minor fender trimming allowed for tire clearance.
OEM seats only. No light weight replacements.
Radiator in stock location only.
Frame
No modifications to frame allowed.
Aftermarket lift kits allowed. No custom suspension.
Vehicle must be in safe operating condition.
May not upgrade ½ ton axles to ¾ ton 8 hole.
Must have good brake.
Modified
Tires
3 tire size sub classes. D.O.T only. No cuts allowed
(Up to 35) (35.5 to 38.5) (39 and up)
Engine
No nitrous. No blowers. No turbos (except stock turbos). No alcohol allowed.
Double pumpers and Demon carbs allowed.
Race headers allowed.
Race fuel allowed. No masking or cover scents allowed.
#1 spark plug must not be behind center of front diff.
Transmission
OEM style transmission only.
No trans brakes allowed.
3500 max stall speed torque converter.
Body
Must have full stock body. Minor fender trimming for tire
clearance only.
Full stock firewall in stock location.
May remove bumpers and tailgate.
Full stock frame required.
Full OEM glass required.
No fiberglass replacement parts allowed.
Fuel cells and fuel tank relocation allowed.
Battery may be relocated.
Race seat with harness ok.
No extending or modifying of frame.
No lightening of frame.
Suspension
Must maintain OEM suspension. Lift kits ok.
Ladder bars and traction bars allowed.
Must have good brakes.
Super Mod.
Tires
Any size D.O.T. tires. No cuts. No paddles. No implements.
Engine
No nitrous. No blowers. No turbos (except stock turbos).
Transmission
If running transbrake or stall over 3500 you must have S.F.I. approved transhield or blanket.
Body
Must have stock appearing body. Cutting and gutting allowed. Must have full firewall for driver safety.
Fuel cells and battery must be safely located outside the cab.
Must have S.F.I approved five point harness.
Stock frame required.
No extending or modifying of frame (cutting off and tubing out).
MUST BE SAFE!!!!!
Suspension
Must maintain O.E.M. style suspension. No custom four links. No full floaters.
Must have acceptable drive line loops.
Must have good brakes.
Pro Mod.
Tires
Any size cut or non-cut D.O.T. tires No Paddles or Implements.
Engine
No blowers. No turbos (except stock turbos).
Transmission
Must Have S.F.I approved trans blanket or shield.
Body
Must have stock appearing body. Cutting and gutting allowed. Must have full firewall for driver safety.
Fuel cells and battery must be safely located outside the cab.
Must have S.F.I approved five point harness.
No tube chassis. No rails.
MUST BE SAFE!!!!!
Suspension
Must be safe and in good working condition.
Must have acceptable driveline loops.
Must have working brakes.
MUST BE SAFE!!!!!!
Open Class
Any tire, engine, chassis allowed.
That says it all.
If the vehicle is unsafe it will not run!
Have Fun! That’s what it is all about!