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Question for a 371 Oldsmobile Guru...

Discussion in 'The Hokey Ass Message Board' started by Brad S., Jul 22, 2009.

  1. Brad S.
    Joined: Feb 5, 2005
    Posts: 1,317

    Brad S.
    Member

    I have a '57 or 58' J2 six pack intake for the Oldsmobile 371. I've seen contradicting information that it either will or will not fit the 1960 year model 371.

    To me it doesn't make sense unless they changed the heads in some way. I have a feeling that it just wasn't available in 1960 as opposed to it not fitting.

    Can anyone clarify for me?

    I'd LOVE to run this intake on my '60 Olds project.
     
  2. GOATROPER02
    Joined: Mar 22, 2006
    Posts: 2,059

    GOATROPER02
    Member
    from OHIO

    The 59-64 intake ports are a way different dimention and your manifold probable wont cover up the floor of the port

    Tony
     
  3. Brad S.
    Joined: Feb 5, 2005
    Posts: 1,317

    Brad S.
    Member

    Bummer.

    I plan on pulling the motor anyway to clean and paint everything so I guess I'll pull all my measurments once it's on the stand. Just wanted to verify ahead of time.
     
  4. d2_willys
    Joined: Sep 8, 2007
    Posts: 4,129

    d2_willys
    Member
    from Kansas

    Definitely different, take it from me. I ordered 58 371 pistons for my 60 371 and found out that the pistons stuck out of the cylinders by 1/4". Exchanged them for 59 pistons and all was well. Seems the deck height is different.
     

  5. Paul
    Joined: Aug 29, 2002
    Posts: 15,118

    Paul
    Editor

    yep, different animal all together

    think of the late 371 as an underbore 394
     
  6. Brad S.
    Joined: Feb 5, 2005
    Posts: 1,317

    Brad S.
    Member

    ah ok. Well that sucks. You know how you think and think about "how cool this would be" then someone just hands you the part to make it happen? Yeah. It's the wrong part. lol

    Welp. Looks like I'll have to find something else and keep moving in that direction.
     
  7. d2_willys
    Joined: Sep 8, 2007
    Posts: 4,129

    d2_willys
    Member
    from Kansas

    Get on classic oldsmobile forum and ask about J2 manifold to late 371/394. I believe there is a way of adapting the manifold to the newer block (thicker gaskets or some spacer plate).

    http://classicoldsmobile.com/forums
     
  8. d2_willys
    Joined: Sep 8, 2007
    Posts: 4,129

    d2_willys
    Member
    from Kansas

    EXACTLY!:cool:
     

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