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Thread: Square bore vs Spread bore?
          
   
   

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  1. #1
    Nomad Mike is offline CHR Member Visit my Photo Gallery
    Join Date
    Dec 2005
    Location
    fountain valley
    Car Year, Make, Model: 1956 Chevy Nomad
    Posts
    32

    Quote Originally Posted by southerner
    And because of that the bolts position on the carburettor throttle plate will be in defferent positions.
    I'm bidding on a Holley 4779-7 Square bore on E-Bay. Will the bolt pattern fit on my new Edelbrock Air Gap (for SB) ?

    Looking at the picture of the bottom of the throttle plate, the bolt pattern isn't square.

    Mike M.
    OlChvyRacr

  2. #2
    HellCaminoKid's Avatar
    HellCaminoKid is offline CHR Member Visit my Photo Gallery
    Join Date
    Mar 2005
    Location
    pittsburgh
    Car Year, Make, Model: 1980 El Camino
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    96

    Is it a performer rpm air-gap intake? b/c I believe they are made for square bore.

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