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Vacuum advance hookup question

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  • Vacuum advance hookup question

    I just bought the correct Delco distributor for my 57 GH. The vacuum advance has a small metal tube coming out of it, that was obviously cut off. Since it is only about an eighth of an inch long (Why do people do that? Couldnt they have left an inch for Gods sake?), I cant connect a hose or anything to it. What is the best way to remedy the situation? Do I have to get another metal tube, or can I just put in a small piece of tube and use a rubber hose? Where should it connect, or doesnt it matter as long as there is vacuum?

  • #2
    Jerry,

    The vacuum advance for the DELCO should be readily available from your FLAPS at a reasonable price. The diaphragm on old ones frequently leak, anyhow.

    Jim Bradley
    Lewistown PA
    '78 Avanti II
    Jim Bradley
    Lake Monticello, VA
    '78 Avanti II
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    • #3
      You can use a neoprene hose in place of the metal tube providing the vacuum advance is good otherwise the vacuum advance can will have to be replaced. I usually use a NAPA VC 685 for replacement of the original unit. The later engines used a hose instead of a tube. Bud

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      • #4
        if it is the original vacuum advance and has a flare fitting on it you can fabricate a new hard line from brake tubing, OR just use a short length of brake tubing and a flare nut and use that as a hose nipple.

        nate

        --
        55 Commander Starlight
        http://members.cox.net/njnagel
        --
        55 Commander Starlight
        http://members.cox.net/njnagel

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