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Holly carb on incline problems

Discussion in 'The Garage' started by monsterjim, Feb 6, 2004.

  1. monsterjim

    monsterjim 1/2 ton status

    Feb 5, 2004
    Likes Received:
    north Texas
    Got a 650cfm, have to keep it in low gear and floored goin up and down hills or it seems to flood out. Do I simply need to adjust the float level down, has anyone ever put a marine kit on, can't seem to order the vent tube like the truck avenger carb has on the top, guess I could just put some stainless steel lines in eh? Anyone got any quick fixes besides going to EFI?
  2. nvrenuf

    nvrenuf NONE shall pass! Premium Member

    Jan 7, 2002
    Likes Received:
    Mobile, Al.
    I put all the Holley vent and jet extensions in my 750 along with some homemade "stacks". I bought a short piece of brake line tubing (1/4 or 5/16, can't remember) cut it in half and carefully tapped them into the vertical vent tubes in the main body. Once in place I measured how high they could be without interferring with the air cleaner and cut off the excess.

    My carb will still stumble occaisionally but these add ons did make a noticable difference. I think next time I would put a bend pointing each one forward and aft respectively to add more resistance to the fuel climbing out.

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