Holley 4150 Bolt spacing
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Holley 4150 Bolt spacing

  1. #1
    Senior Member Brendellajet's Avatar
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    Default Holley 4150 Bolt spacing

    Need to move my regulator to the front of the carb to allow better access to the valve cover. Anyone know off hand what the center to center bolt spacing is for the two front studs? Single carb, traditional mounting(not sideways like some tunnel rams allow...)
    "He is a lover, not a fighter. But he's also a fighter, so dont get any ideas."

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    E-7 Sheepdog (ret) SmokinLowriderSS's Avatar
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    The standard "square-bore" for 4150's et-all is 5 3/16" x 5 5/8", according to my Holley manual.
    "As democracy is perfected, the office of president represents, more and more closely, the inner soul of the people. On some great and glorious day the plain folks of the land will reach their heart's desire at last and the White House will be adorned by a downright moron."
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    Senior Member Brendellajet's Avatar
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    Great, That narrows it down...Anyone know which is across the front?
    "He is a lover, not a fighter. But he's also a fighter, so dont get any ideas."

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    Senior Member Oldsquirt's Avatar
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    5 3/16" is side-to-side measurement.

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    Senior Member Brendellajet's Avatar
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    Thanks Oldsquirt!
    "He is a lover, not a fighter. But he's also a fighter, so dont get any ideas."

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    E-7 Sheepdog (ret) SmokinLowriderSS's Avatar
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    Yes, the narrower dimention is across the ends, wider is down the side.
    "As democracy is perfected, the office of president represents, more and more closely, the inner soul of the people. On some great and glorious day the plain folks of the land will reach their heart's desire at last and the White House will be adorned by a downright moron."
    H.L. Mencken

    OBAMA: Some people deserve this.
    The rest of us are being dragged along kicking and screaming.

  9. #7
    Senior Member Brendellajet's Avatar
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    Quote Originally Posted by Brendellajet View Post
    Thanks Oldsquirt!
    You too Smokin!
    "He is a lover, not a fighter. But he's also a fighter, so dont get any ideas."

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