6.0s Carburetor / Air Induction / Fuel Systems
 
  • 6.1 Carburetor   Requirements
    • Option 1 / Option 3 motors
      • Holley #4412 or #0-80583-1
        • Jet change allowed
        • Choke plate removal allowed
        • Power valve change allowed
        • Accelerator pump cam change allowed
        • Accelerator pump discharge nozzle change allowed
        • Butterflies may be drilled
        • Air vents may be enlarged
        • No modifications to increase or change air flow allowed.
    • Option 2 motors
      • Any 2 or 4 bbl carburetor allowed

     

  • 6.2 Spacer Plate
    • Option 1 / Option 3 motors 
      • 1 inch spacer place allowed
        • Must be approved at inspection.
        • Both top and bottom surfaces must be parallel.
        • Port hole(s) must be vertical (90 degrees) to the surface
          • No beveling,
          • No tapering,
          • No flaring.
        • Can be refused without reason
        • No modifications
        • Max gasket thickness 0.075
    • Option 2 motors
      • Any 1 inch Spacer allowed
      • Must be approved at inspection.
      • Both top and bottom surfaces must be parallel.
      • Max gasket thickness 0.075
         
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  • 6.3 Air Cleaner
    • 12 inches minimum / 18 inches maximum
    • Max 4 inch paper element.
    • Must be totally covered by hood
    • No carb hats except 602 Option 2 motor
    • No ducts, baffles or dividers on or leading to the air cleaner except 602 Option 2
    • Top and bottom of air cleaner must be steel or aluminum
    • Hood must be tight to windshield except sealed 602 motor
      • When 602 option is utilized teams may open a 16.5 by 2.5 inch opening at rear of hood
      • 602 option 2 only - Air box may be used from windshield base opening to carburetor.

 
  • 6.4 Fuel Systems
    • Fuel Pump
      • Stock type
      • Block Mounted
      • No electric, Belt, or Cam driven
    • Fuel Lines
      • Steel braided lines recommended
      • No cooling devices of any type
      • Lines must be steel conduit of passing through interior
    • Fuel Shut off
      • Must be within reach of driver
      • Must be accessible for safety personnel without leaning into truck
      • Clearly marked off and on
    • Fuel
      • ONLY approved fuel allowed
      • Fuel must not mix with water or any additives
      • It is the responsibility of all teams to have approved racing fuel if racing for 100% status (i.e. point fund participation , etc.)
    • Fuel Cell
      • 16 gallons maximum.
      • must be mounted to the center of the chassis
      • Minimum ground clearance 10"
      • encased in steel container of no less than 22-gauge steel.
      • Minimum of (3) steel braces
        • under fuel cell going from front to back of cell
        • two braces on top for support.
      • crash bar must be mounted at rear of vehicle to protect fuel cell 1 ¾" tubing.
        • Crash bar must utilize four vertical braces.
        •  No bars above or below rear bumper.