Chevy intake install

Discussion in 'Gas Engines' started by mikealston2428, Sep 27, 2013.

  1. mikealston2428
    Joined: Jul 2011
    Posts: 207
    Likes: 2, Points: 18, Legacy Rep: 10
    Location: aussie

    mikealston2428 Senior Member

    Hi guys,
    The 12 bolts for the intake manifold on a 350 Chevy SB.
    The bolts that came out are different lengths 5 shorter and 7 longer not by much.
    Should all 12 bolts be the same length ?
    I think the previous rebuilder used what ever bolts he had lying around .
  2. PAR
    Joined: Nov 2003
    Posts: 19,126
    Likes: 498, Points: 93, Legacy Rep: 3967
    Location: Eustis, FL

    PAR Yacht Designer/Builder

    The first gen small block takes the same size bolt - a 3/8"-16, which is usually 1" to 1 1/8" long (depends on intake). All of them are the same on all first gen small blocks, except special apps and castings (like the CanAm 302, for example).
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