Holley 4150's Bowl Venting and Float Question
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Holley 4150's Bowl Venting and Float Question

  1. #1
    Senior Member SkyHarborCowboy's Avatar
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    Default Holley 4150's Bowl Venting and Float Question

    1) What do you guys do for the bowl vents when using a non-marine carb? Can you buy the hooked vents or do you just run a hose between the two vent and punch a few holes over the venturis?

    2) I think I have a sinking float in the primary side, if I do, which type of float material would you recommend replacing it with? Brass or the black plastic type?

    Joe
    Thanks,

    Joe
    1988 Commander BBC454 Berkley JE-A with A-Impeller

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    Senior Member n8dawg's Avatar
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    No marine carb here and no hooked vents either!
    Just switched from plastic floats to the brass ones.
    No probs at all!
    Why do you think you have a sinking float? Are they plastic?
    Lets see what everyone else has going on!

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    Senior Member jetboatperformance's Avatar
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    Joe "j" tubes are out there for sale in cyber world , won't however make for marine "compliance" if thats what your after. The venting may be a sunk or sinking float , high float level or "nicked/worn/damaged needle valve oring,after mkt N&S, worn/fouled needle and seat, too much fuel pressure etc etc Tom

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  6. #4
    Senior Member SkyHarborCowboy's Avatar
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    It was nice talking to you on the phone yesterday. I am not so much looking for compliance as safety. After seeing how much fuel poured out yesterday there is no way I am not going to rig something up to make sure the fuel stays in the carb and not pour all over the engine. I am 99% sure it is a sunk float as everything else is new from a Holley rebuild kit. I am going to take the carb off in a bit to find out. We had a rough night at work last night so I am slow to wake up today!

    Joe
    Thanks,

    Joe
    1988 Commander BBC454 Berkley JE-A with A-Impeller

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    Senior Member n8dawg's Avatar
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    The black floats are not plastic. They are made of Nitrophyl.
    I'd go with thoughs or the brass. Ditch the clear plastic ones.

  8. #6
    Senior Member SkyHarborCowboy's Avatar
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    Quote Originally Posted by n8dawg View Post
    The black floats are not plastic. They are made of Nitrophyl.
    I'd go with thoughs or the brass. Ditch the clear plastic ones.
    Those are the two I was refering to. I didnt exactly know what they were made of.
    Thanks,

    Joe
    1988 Commander BBC454 Berkley JE-A with A-Impeller

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