Safety Rules :

Safety is the First Priority. If You Do Not Pass the Safety Tech-In, You DO NOT RACE. ALL SAFETY RULES Apply - See GENERAL RULES.

Roll Cage

Must Have 6-Point Roll Cage Welded to Frame.
Must Be a Minimum of 1.5” Diameter with at Least .063 Wall Thickness Chrome Molly or Mild Steel Tubing.
Roll Cage Must Include Front Windshield Straps. Windshield Straps Must Have at Least Two (2) Straps of Webbing Material Connected from the Top Roll Cage Bar to the Lower Bar Over the Dash to Keep the Windshield from Coming into the Cab in the Event of an Accident.
Doors May Be Trimmed for Roll Cage, But Not Gutted. "Gutted" Refers to Excessive Removal of the Interior Above and Beyond That Which Is Required for the Roll Cage And/Or Other Specific Rules Allow.
Doors Must Be Able to Securely Open & Close.
Both Side Windows Must Have Either Web-Type Safety Net with Latch-Link or Spring Loaded Release Mechanism. Mesh or String-Type Nets Are Approved. Net Must Be Secured in Place and Centered in the Door Area Covering the Side Window & Fastened to the Upper Roll Cage Horizontal Member When the Vehicle is in Competition.
4-Point SFI Harness Required for Driver & Passenger.

Body and Frame

Original Body and Frame with No Excessive Modifications Other than Fender Cut-Outs.
Vehicles Must Have All Factory Sheet Metal, Except Tailgates.
No Mixing of Engine and Body Style. Engine Type Must Be Offered By Manufacturer. (Ex. Ford Engine in Ford Chassis, Chevrolet Engine in Chevrolet Chassis, etc.)
All Vehicles May Run ¾ or 1 Ton Running Gear (Drivetrain, Axles, etc.).
No Shortening or Lengthening of Frame Allowed.
Aftermarket Windshield Replacement Okay.

Interior

Driver's Seat Must Be Located on the Left Side Similar to Stock.
Dash May Be Removed.
Heater and Heater Ducts May Be Removed.
NOTE: Excessive Body and Interior Modifications Moves Race Truck Up To Super Modified Class.
Mid-Plates and Motor Plates Are Allowed, BUT Factory Firewall Mandatory and Cannot Be Repositioned.
Must Retain Original Floor Pan.
Vehicle Is Required to Carry On-Board a Fully Charged, Mounted Fire Extinguisher of A, B, or C Dry Chemical Type, 2.5 Pounds Minimum Capacity with Gauge in Cab.
4-Point SFI Harness Required for Driver & Passenger.

Bumpers

Must Have Functional Front and Rear Bumpers.
Bumpers Must Be Capped Off Even and Not Stick Out Past the Side Body Panels or the Tires. No Protruding or Sharp Edges. No Pipe or Tubing Unclosed/Uncapped Allowed.
All Vehicles Must Have Tow Hooks Front and Rear.

Fuel Cells

Gas Tank Must Be Removed and Replaced with a Fuel Cell.
Fuel Cell Must Have Positive Locking or Screw Caps.
Fuel Cell Must Be Fully Secured.
All Fuel Lines Must Be Isolated from Driver's Compartment.

Fuel

Gasoline, Alcohol, or Racing Fuel Only.
No Ether, Nitro, Nitro Methane, Propylene Oxide, Nitrous Oxide, or Nitrous Devices ( Nitrous Plates, Nitrous Solenoids, etc.) Allowed.
If Found Illegal, It Is an Automatic Disqualification.

Transmission

Any OEM Production Type Transmission Allowed.
Aftermarket Shifters Allowed.
Stall Converters Allowed.
Power Glides Okay in Any Vehicle (Ex. Ford, Chevy, Chrysler, etc.)
Transbrakes Are Allowed.
All Automatic Transmissions Must Have a SEMA Approved Shield or Blanket.

Suspension

Front Suspension Swaps Allowed. (Ex. Chevrolet Under Ford, Ford Under Chevrolet, etc.)
Coil-Over Shocks Are Allowed in Rear, BUT Must Maintain OEM Type Rear Leaf Spring Suspension in OEM Mounting Location. Leaf Springs Must Be Connected to the Frame in Shackles/Hangers At Both Ends – Front & Rear.
Aftermarket Shackles/Sliders Are Allowed.
Lift Kits Are Allowed.
All Vehicles May Run ¾ or 1 Ton Running Gear (Drivetrain, Axles, etc.).
Can Change / Up-Grade Axles, Rear End Housings, etc.
No 4-Link, Z-Link Conversions Allowed.
Traction Devices, 5 th Links, Ladder Bars Are Allowed.
Can Change / Up-Grade to Rack & Pinion Steering.

Tires

All Tires Must Have DOT#. No Cutting or Grooving.

Radiator

Radiator May Be Relocated to the Bed of the Vehicle.
Electric Fans Are Okay.
Water Pumps Are Optional.
Radiator Must Be Securely Fastened and Shielded from Driver.
Must Not Be in the Driver's Compartment.

Battery

Must Not Be in Driver's Compartment. Must Be Installed with 3/8” Bolts with a Minimum of a ¼” Steel Plate and/or Tube Frame Type Construction. (Bungee Ties or Rubber Straps Are Not Acceptable.)
May have Auxiliary Batteries.
On/Off Battery Disconnect Switch Is Required at the Rear on the Passenger Side. The Switch Must Be Located a Minimum of Twelve (12) Inches to a Maximum of Twenty-Four (24) Inches from the Side and a Maximum of Twelve (12) Inches from the Rear.

Engine Specifics

Only One (1) Engine Per Vehicle .
Engine Type Must Be Offered By Manufacturer in ½, ¾ or 1 Ton Vehicle.
No Mixing of Engine and Body Style. (Ex. Ford in Ford, Chevy in Chevy, Dodge in Dodge, etc.)
Engine Must Remain in the Stock Location.
Mid-Plates and Motor Plates Are Allowed, BUT Factory Firewall Mandatory and Cannot Be Repositioned.
Maximum Cubic Inch = 516 CID.

STROKE : Can Be Stroked or De-Stroked.

CRANK: Any Aftermarket Okay.

PISTONS: Any Aftermarket Okay

BLOCK: Any Cast Iron Block Including Aftermarket Block is Okay.

RODS : Any Aftermarket Okay. Aftermarket Rod Bolts Are Allowed.

HEADS: Any Cast Iron Heads Are Allowed. Any Modifications Are Allowed. No Aluminum Heads.

ROCKER ARMS Any Aftermarket Okay. Screw-In Studs & Guide Plates Are Allowed.

INTAKE: Any Intake Allowed, Except Tunnel Ram Types & Sheet Metal Intakes.

Carburetor Only

Any Single 4-Barrel Carburetor Is Allowed. No Multiple Carburetors.
Throttle Pedal Must Be Positive Acting with Return Loop or Arm for Return In Case of Stuck Throttle. Three Return Springs are Mandatory, One (1) on Pedal and Two (2) on Carburetor.
No Fuel Injection. No Blowers.

Electrical

Any Ignition Allowed.
No Magnetos Allowed.
Alternators Are Optional.

Exhaust

Headers Are Allowed. Headers Can Be Run Up or Down.

Brakes

Driveline Brakes Okay.
Must Have Brakes on at Least Two (2) Wheels (Ex. Two Front Wheels or Two (2) Back Wheels).
Must Be Able to Stop Safely.

FOR ANY QUESTIONS OR DOUBTS OF LEGALITY, PLEASE CONTACT A TRACK OWNER OR TECH OFFICIAL. IF THE RULES DON'T SAY YOU CAN, IT MEANS YOU CAN'T, UNLESS AUTHORIZED BY TRACK OWNERS & TECH OFFICIALS

Bayou Cajun Raceway - Mud Truck Rules - Modified Class

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