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Thread: 502 mag intake

  1. #1
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    502 mag intake

    Anyone remember the name of the designer/manufacturer of the 502 mag mpi intake manifold?? '97 vintage.

    The name was posted years ago, but I fail to remember who it was, and can't find it through a search.

    Thank, Bob
    Member - WAFNC
    1997 22 Classic (sold)
    1997 Formula 271 Fastech
    502 Mag MPI

  2. #2
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    Please don't say Merc.
    Member - WAFNC
    1997 22 Classic (sold)
    1997 Formula 271 Fastech
    502 Mag MPI

  3. #3
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    I'm not normally good with names but I think it was Art Lingenfelter.
    Just because something's old doesn't mean you throw it away !

  4. #4
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    your thinking of John Lingenfelter

    but i'm not sure if he had anything to do with that intake
    Charter Member - WAFNC, SBBR, KWOSG
    1955 Perfect Mate
    1986 Hornet III, 502-415 TRS

    www.donzi.org


  5. #5
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    I vaguely remember reading the story, and I agree w/Jim that Lingenfelter didn't have a direct input, I seem to remember he'd done some similar intake work.
    George Carter
    Central Florida
    gcarter763@aol.com
    http://kineticocentralfl.com/


    “If you have to argue your science by using fraud, your science is not valid"
    Professor Ian Plimer, Adilaide and Melbourne Universities

  6. #6
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    I'm thinking of a HP aftermarket offering that I believe I saw for sale through Teague maybe ...
    Just because something's old doesn't mean you throw it away !

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    I think it was John Lingenfelter and Arizona Marine.
    Snider

  8. #8
    mrfixxall Guest

    Fixx

    AZ speed & marine had their hands in the 500 & 525 efi intake...

    The 502 one i thought i read some where it was edelbrock..

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    Thanks for the feedback. The reason that I asked is that I want to repair my old one that rotted through from the inside and thought that having the type of aluminum would help any potential welder.

    I just emailed AZ Speed. I'll see what they say.

    Lingenfelter was the name I was trying to remember.

    B
    Member - WAFNC
    1997 22 Classic (sold)
    1997 Formula 271 Fastech
    502 Mag MPI

  10. #10
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    Quote Originally Posted by Tidbart View Post
    Lingenfelter was the name I was trying to remember.

    B
    Maybe I do have a few brain cells left after all ..
    Just because something's old doesn't mean you throw it away !

  11. #11
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    You may have an issue finding a welder, the shops out by me won't touch them. We have had quite s few go bad from the salt, a new one is some expensive. Some say what makes them go faster than after market aluminum manifolds is the copper lining, once breached they fry them selves from dissimilar corrosion. If you can get it welded it may very well last longer than stock not having the coating.

    phil
    No matter what your beliefs are "GOD BLESS AMERICA"

    Fully retired marine tech near 60 years in the biz.

  12. #12
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    I had some that where welded up, worked great. The person who did the welding also 'ceramic' coated the water exposure spots.

  13. #13
    mrfixxall Guest

    Fixx

    Quote Originally Posted by Tidbart View Post
    Thanks for the feedback. The reason that I asked is that I want to repair my old one that rotted through from the inside and thought that having the type of aluminum would help any potential welder.

    I just emailed AZ Speed. I'll see what they say.

    Lingenfelter was the name I was trying to remember.

    B
    t

    he should know what to use,,i use a 5356 tig welding rod which is great for salt water and corrosion..

  14. #14
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    When I get a few extra minutes, I'll bring it to a couple of shops and see what they have to say. I just looked at some old photos and it looks worse than I remember. But, it doesn't hurt to ask.

    B

    Heard back from AZ Speed.

    No, Mercruiser copied our manifold design, we sold our manifolds to GM Powertrain and Mercury Racing. Jim Shofner
    Member - WAFNC
    1997 22 Classic (sold)
    1997 Formula 271 Fastech
    502 Mag MPI

  15. #15
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    Lingefelter

    Did around, you should be able to find a used one on the cheap.

    If not, ask AZM about cores. They usually keep some around for people that want the extrude honed version.
    2001 35 Fountain Lightning w500 EFI's
    1973 X-18 - Merc 383 Magnum
    1974 Chris Craft Roamer with 1271 TI's

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