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2013 Mud Run Rules
All classes except Outlaw and open require 100% OEM frame and 2 cross members and OEM transfer cases. No backhalfs. NO EXCEPTIONS!
NO ALCOHOLIC DRINKING IN PIT AREA!
Any non nitrous classes the bottle has to be removed before line up of class.
All trucks 40 and up must have (1) driveshaft loop per shaft.
All trucks 40 and up must have approved 5 point safety belts.
Stock Class must have 4-wheel working brakes. All others must have functional brakes. Driveline allowed.
All trucks must have approved fire extinguishers.
36"/38.5" Stock Class
Engine
Original Equipment for make and corprate matching in stock location.
Iron blocks and heads unless OEM.
Big blocks in full size only.
Single carb or OEM injection
No blowers, turbo nitrous, dominator carbs.
Stock manual fuel pumps or electric without regulator.
3/8 diameter fuel line max.
Fuel
Gas or E-85
Body
Full body. All glass and lights. Complete interior. Minimal cutting to allow for roll cage no gutting other than
tire clearance. Battery and radiator in stock location.
Frame
Complete OEM matching to cab. No tube frames or lightning.
Axels
In stock location. Upgrades allowed.
Suspension
Stock. Lift kits and ladder allowed. No coilovers or floaters 3 or 4 links other than OEM.
Drivertrain
OEM transfercase and trans. No open chaindrives.
Exhaust
3 1/2 max. Diameter 12" past cab with muffler. Headers allowed.
Tires
36" and below for 36" class/38.5" and below for 38.5" class. No cuts.
40" Superstock Class
Engine
Aluminum intake allowed. Iron heads only unless OEM. Single carb or OEM injection.
No aluminum blocks unless OEM. No blowers, turbo or Nitrous.
Balancer not to be behind the center line of the axel.
Fuel
Any race fuel or E-85.
Body
Cab and 100% OEM frame. Cutting and gutting allowed.
Must resemble OEM vehicle.
Frame
OEM. No tube frame.
Suspension
Any OEM stock type suspencion.
One leaf min. Hooked to axel. Coilovers allowed only to assist OEM spring.
No non OEM 3-4 links. Ladder bars and floaters allowed.
Tire
40" or below DOT. No cuts
Drivertrain
OEM transfercase. No open chain drives.
Cage
4 point min. Attached to frame. 1.5 diameter min.
40" Modified
Engine
Any. No blower, turbo or nitrous
Balancer not to be behind center line of axel.
Fuel
Any race fuel.
Body
Cab and 100% OEM frame. Cutting and gutting allowed.
Frame
OEM lightning allowed. No tube frame of backhalfs.
Suspension
Any.
Tire
Any type 40" or below.
Drivetrain
OEM transfercase. No open chain drives.
Cage
4 point min. Attached to frame plus diagonal. 1.5" diameter min.
50" Supermodified Men/Women (Seperate Classes)
Engine
Aluminum heads allowed. Injection nitrous allowed.
No turbo or blowers.
Balancer not to be behind center line of axel.
Fuel
Any race fuel.
Body
Cab and 100% OEM frame. Cutting and gutting allowed.
Frame
OEM frame. No tube frame or backhalfs.
Suspension
Any.
Tire
50" or below DOT
Cage
4 point min. Attached to frame plus diaginal. 1.5 min.
Outlaw
Engine
Any. In any position.
Fuel
Any
Body
Any
Frame
OEM OEM frame to back of cab. Backhalfs allowed.
Suspension
Any
Tire
Any
Drivetrain
Any
Cage
6 point attached to frame min plus diaginal. 1.5 diameter min.
Open
If it roles on rubber tires and meets 6 point cage rules, YOU'RE IN!
NO ALCOHOLIC DRINKING IN PIT AREA!
Any non nitrous classes the bottle has to be removed before line up of class.
All trucks 40 and up must have (1) driveshaft loop per shaft.
All trucks 40 and up must have approved 5 point safety belts.
Stock Class must have 4-wheel working brakes. All others must have functional brakes. Driveline allowed.
All trucks must have approved fire extinguishers.
36"/38.5" Stock Class
Engine
Original Equipment for make and corprate matching in stock location.
Iron blocks and heads unless OEM.
Big blocks in full size only.
Single carb or OEM injection
No blowers, turbo nitrous, dominator carbs.
Stock manual fuel pumps or electric without regulator.
3/8 diameter fuel line max.
Fuel
Gas or E-85
Body
Full body. All glass and lights. Complete interior. Minimal cutting to allow for roll cage no gutting other than
tire clearance. Battery and radiator in stock location.
Frame
Complete OEM matching to cab. No tube frames or lightning.
Axels
In stock location. Upgrades allowed.
Suspension
Stock. Lift kits and ladder allowed. No coilovers or floaters 3 or 4 links other than OEM.
Drivertrain
OEM transfercase and trans. No open chaindrives.
Exhaust
3 1/2 max. Diameter 12" past cab with muffler. Headers allowed.
Tires
36" and below for 36" class/38.5" and below for 38.5" class. No cuts.
40" Superstock Class
Engine
Aluminum intake allowed. Iron heads only unless OEM. Single carb or OEM injection.
No aluminum blocks unless OEM. No blowers, turbo or Nitrous.
Balancer not to be behind the center line of the axel.
Fuel
Any race fuel or E-85.
Body
Cab and 100% OEM frame. Cutting and gutting allowed.
Must resemble OEM vehicle.
Frame
OEM. No tube frame.
Suspension
Any OEM stock type suspencion.
One leaf min. Hooked to axel. Coilovers allowed only to assist OEM spring.
No non OEM 3-4 links. Ladder bars and floaters allowed.
Tire
40" or below DOT. No cuts
Drivertrain
OEM transfercase. No open chain drives.
Cage
4 point min. Attached to frame. 1.5 diameter min.
40" Modified
Engine
Any. No blower, turbo or nitrous
Balancer not to be behind center line of axel.
Fuel
Any race fuel.
Body
Cab and 100% OEM frame. Cutting and gutting allowed.
Frame
OEM lightning allowed. No tube frame of backhalfs.
Suspension
Any.
Tire
Any type 40" or below.
Drivetrain
OEM transfercase. No open chain drives.
Cage
4 point min. Attached to frame plus diagonal. 1.5" diameter min.
50" Supermodified Men/Women (Seperate Classes)
Engine
Aluminum heads allowed. Injection nitrous allowed.
No turbo or blowers.
Balancer not to be behind center line of axel.
Fuel
Any race fuel.
Body
Cab and 100% OEM frame. Cutting and gutting allowed.
Frame
OEM frame. No tube frame or backhalfs.
Suspension
Any.
Tire
50" or below DOT
Cage
4 point min. Attached to frame plus diaginal. 1.5 min.
Outlaw
Engine
Any. In any position.
Fuel
Any
Body
Any
Frame
OEM OEM frame to back of cab. Backhalfs allowed.
Suspension
Any
Tire
Any
Drivetrain
Any
Cage
6 point attached to frame min plus diaginal. 1.5 diameter min.
Open
If it roles on rubber tires and meets 6 point cage rules, YOU'RE IN!
