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Thread: GM exhaust manifold cast #
          
   
   

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  1. #1
    fieroboy_gt is offline CHR Member Visit my Photo Gallery
    Join Date
    Aug 2009
    Location
    Lewiston
    Car Year, Make, Model: 1984 fiero LS4 454
    Posts
    50

    GM exhaust manifold cast #

     



    I was just wondering if anyone on here could tell me what these ram horn style manifolds might have gone too? I was gonna use these on a SB motor swap in a fiero but I got the Big Block fiero so I dont need these. but the cast # doesnt appear to be on any websites

    the number is

    3992485 it is stamped with a GM I have the left an the right for the set. the left one has no cast numbers just the right hand side. any info an what they may be worth would really kick some major ass. thanks alot.

  2. #2
    fieroboy_gt is offline CHR Member Visit my Photo Gallery
    Join Date
    Aug 2009
    Location
    Lewiston
    Car Year, Make, Model: 1984 fiero LS4 454
    Posts
    50

    cast number is accually

    3932464 came off of 69 to 70 327 or 350. any one know what they are worth

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