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What year did the 231 exhaust ports change?

Discussion in 'Early CJ5 and CJ6 Tech' started by willys59cj5, Jan 17, 2006.

  1. Jan 17, 2006
    willys59cj5

    willys59cj5 Sponsor

    Gilroy, CA
    Joined:
    Jun 1, 2005
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    660
    I have a drivers side 231 manifold, but the ports are different. It is short and fat...more square like. My 225 manifolds are tall and thin:)
     
  2. Jan 17, 2006
    $ sink

    $ sink Gazillians of posts

    Virginia Bch
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  3. Jan 17, 2006
    nickmil

    nickmil In mothballs.

    Happy Valley, OR
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    Sep 23, 2002
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    12,529
    '78 is when the port change occurred. Nickmil.
     
  4. Jan 17, 2006
    willys59cj5

    willys59cj5 Sponsor

    Gilroy, CA
    Joined:
    Jun 1, 2005
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    660
    Thanks guys:)
     
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