Marinizing Holley Carbs - Gonzo?

Discussion in 'DIY Marinizing' started by eddievanhalen, Jan 28, 2007.

  1. eddievanhalen
    Joined: Dec 2005
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    Location: Modesto, CA USA

    eddievanhalen Junior Member

    Gonzo (or anyone else who knows),

    I have a boat that came with automotive 4 barrel Holley carbs. I think I remember a post where you said you can use brake line to make J vents. Is that the only difference between the auto and marine carbs to make them safe?? The engines ran well with the auto carbs (just not safe).

  2. gonzo
    Joined: Aug 2002
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    Location: Milwaukee, WI

    gonzo Senior Member

    The auto carbs vent outside. I have used brake lines in a J to vent them in like a marine type. Also, if you have a screw to adjust the float and a side plug to measure the lever, you may want to change the side plug for one with the glass window. It makes easier and safer to adjust. I assume they have a flame arrestor installed.
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