C1 Engine ID Help - NCRS Discussion Boards

C1 Engine ID Help

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  • George D. 31849

    C1 Engine ID Help

    Can anyone help me ID the following numbers on a 61.
    Block = 3769935
    Front Pad = F0227D or O
    Intake = 9872788
    LH Cylinder head = 3795898
    RH Cylinder head = 3795896
    Thanks
  • Joe L.
    Beyond Control Poster
    • February 1, 1988
    • 43193

    #2
    Re: C1 Engine ID Help

    George-----

    The block casting number is 3789935 and not 3769935. Based on the production code and casting number, the block was originally part of a 170 hp 283 installed in a late 1961 passenger car. The cylinder heads are GM #3795896 and are "power pack" heads which were originally used on 1962-64 283 and 327 applications.

    The intake manifold is GM #3872783. It is a Holley (square) flange manifold originally used on some 1966 and 1967 327 engines, including 300 hp Corvette.
    In Appreciation of John Hinckley

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