WTB 70 exhaust manifolds LH 3942527 and RH 3946826

Discussion in 'Swap Meet Section' started by mamunro, Apr 23, 2020.

  1. mamunro

    mamunro Member

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    Don't laugh....
    I'm hoping someone put headers on their car YEARS ago and they've finally come to the conclusion that they're never going to put the manifolds back on.
    06 B Norwood built. I found one manifold barely sticking out of the root ball from the tree that had grown in the bare engine compartment, and it was dated E 5 0. Sold it before deciding to resurrect the car.

    Thank you.
    Mike Munro
     
  2. Spirit1

    Spirit1 Member

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    I have a very nice set of 1970 camaro exhaust manifolds i pull off my SS 350 camaro. They do not have the smog tubes. I will sell them both for $80 if your interested. I can email images

     
  3. mamunro

    mamunro Member

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    I'm not sure the casting numbers are the same, and I'd have to drill and tap them for the tubes. I do have a really capable machinist who could do it, but at what cost. If you want, send me a few photos.

    Thank you.
    Mike Munro
    [email protected]
    518-526-3379
     
  4. 70lt1z28

    70lt1z28 Veteran Member Gold Member

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    Casting numbers are different. I think non-smog numbers are'529 and '376.

    D&R makes a very nice set of repops:
    https://www.drclassic.com/catalog/Camaro/Exhaust/Z00302

    Unless the dates are important, they look very close to the originals. The dates are on the underside (block side) and are very tough to see without a mirror of scope.
     
  5. mamunro

    mamunro Member

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    I thought I remembered reading that some time back. I am aware of the repops, but figured I'd pose the question. I've had original sets with other cars, and a set of 71 manifolds, which I think are harder to come across as a pair.
    I appreciate the input.
     
  6. 70-camaro

    70-camaro Veteran Member

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    I have a pair off of my Camaro I will never use again 06A build date. These aren't drilled and tapped either. I'll let them go for the same $80.00 plus shipping if you are interested. I also have the heat risers. I would have to check numbers when I get home from work.
     
  7. DCL70

    DCL70 Veteran Member

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    Mike,
    Exhaust manifolds with 3942527 (LH) and 3946826 (RH) are for 1970 Z28 models. The exhaust manifolds on 1970 Camaro SS350 models were 3942529 (LH) and 3932376 (RH) until April 1970 or so and 3973432 (RH) starting about May 1970. I have a 3973432 RH manifold dated May 29, 1970 ("E 29 0"). Years ago I sold a 3932376 RH manifold dated April 22, 1970 ("D 22 0"). I also have a 3942529 LH manifold but I would have to check the date (probably late May 1970).
    I believe you want the 1970 Z28 exhaust manifolds. If you want the 1970 SS350 manifolds what date?
    Dave
     
  8. mamunro

    mamunro Member

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    Yes, the 70 Z28 manifolds are what I'm after, that's why I put the numbers I did in the heading. I know it's a long shot but.... My father always said I was born with a horseshoe up my a*# so I'm hoping it still has some mojo left. :)

    Again, thank you all for your input.
    Mike Munro
    518-526-3379
     
  9. 70-camaro

    70-camaro Veteran Member

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    B1D49C9B-1D59-47D7-A746-E0A7B8238242.jpeg BA6021C7-B3C4-4D75-90BE-BBDB25C2E1BC.jpeg 6EF1D9B1-0109-40B1-8B5A-A24A414C4A79.jpeg 0A82A485-78D2-448F-B438-AE57EBEE9E53.jpeg CE7657F6-3AA8-49D6-A7CE-5E00202D0BB5.jpeg Obviously these are not what you are looking for but I'll post picks as I said.
     
  10. mamunro

    mamunro Member

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    Thank you for the effort.
     
    70-camaro likes this.

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