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Thread: intake manifolds

  1. #1
    aussienailhead Guest

    Question

    how can I ID the different intake manifolds?
    as I have noticed some are a different width

    thanks

  2. #2
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    If you go the the Buicks.net shop, you will find a pretty good list of casting numbers. There is even a version suitable for printing on both side of one paper to take to swap meets!

  3. #3
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    I am going from memory ,but should be close.
    Distance between bolt holes
    322 8 3/8
    364 8 7/8
    401-425 9 1/8

  4. #4
    aussienailhead Guest

    Post

    thanks folks

    the old guy has come through
    the manifolds are aftermarket
    so there is no casting nos

    thanks
    rocky

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