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headers for inline ponti 6

Discussion in 'The Hokey Ass Message Board' started by zefyr6, May 28, 2011.

  1. Does anyone know of any suppliers of vintage style speed equipment to hop up a 1951 pontiac flathead 6, Ive googled around to no avail, any leads?
  2. mart3406
    Joined: May 31, 2009
    Posts: 3,055

    from Canada

    I imagine for that baby you're pretty much
    stuck with making it yourself. Even 'back in
    the day' I don't think there was much if
    anything made in the way of "speed parts"
    for that engine, at least not commercially,
    anyway. There's one guy here on the HAMB
    - "Ogbomb" in New Zealand that just made
    a very slick intake and exhaust set-up for his
    '38 Pontiac 6 and he might fabricate some
    similar stuff for others. He's got an ongoing
    thread on his project. Check it out.

    "38 Pontiac flathead 6 Manifolds"

  3. Yeah, I saw that one. I reckon I'll do very similar but with exhaust tubing for the headers.
  4. Mr48chev
    Joined: Dec 28, 2007
    Posts: 30,866


    You would have to get someone to cut you a header flange out of plate steel. or you will have to make one by hand. You could trace the manifold out on a piece of steel plate or flat bar and use at least some of the bolt holes as drill guides to drill the bolt holes. When you got it all welded up as a set of headers you would have to run the face of the flange across a belt sander to get it flat but that shouldn't be too difficult.

    You might check over on the Inliners forum The guys over there are used to having to build their own manifolds and headers and come up with some pretty interesting stuff.

  5. RobsHemiA
    Joined: Jan 25, 2007
    Posts: 110


    Clifford Performance do Pontiac 6 intakes , they might have a line on exhausts as well .
  6. wow....... clifford do alotta stuff could be a winner.
  7. John Webster
    Joined: Aug 29, 2010
    Posts: 8

    John Webster

    A buddy of mines first car was a Pontiac straight 6 flathead. He put a tach on it. The valves floated at 3200 rpm.

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