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  • 4160 Holley

    I rebuilt my 4160. Float question. Primary float was good to go. Level. Secondary float inverted bowl was a little higher than level from the floor of bowl. Directions that came with rebuild kit illustrates level. What should secondary float be? Boat runs fine. Should I leave it as I found it?

  • #2
    Disregard I found the answer

    Dry Setting for Duracon Side Hung Float:
    The primary side setting is .2188" (7/32"), measured with
    the fuel bowl inverted, at the toe of the float. The secondary
    side setting is .3125" (5/16"), measured with the fuel bowl
    inverted, at the toe of the float.

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    • #3
      Tried to respond to your PM. I don't know any detailed info about carbs. Always ran mine at recommended settings at relatively low altitude with great success. Good luck!
      Previous: 1993 Prostar 205

      Red 1998 Ski Nautique, PCM GT40, 310 hp, , Acme 4 blade, Perfect Pass SG/Zbox.

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      Be kind. Have fun.

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      • #4
        Holley spec is to have the float level. In my experience, some carbs don’t like this so I set mine slightly low (slightly high when inverted).


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