C-3, 1970 Corvette 454 cam specifications - NCRS Discussion Boards

C-3, 1970 Corvette 454 cam specifications

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  • D S.
    Extremely Frequent Poster
    • March 1, 2005
    • 1551

    C-3, 1970 Corvette 454 cam specifications

    Hello. I am having my 454CI/390HP engine rebuilt. I am going with a stock standard rebuild, no frills. What camshaft is recommended for this and where do I get one?

    Thanks,
    Scott
  • Joe L.
    Beyond Control Poster
    • February 1, 1988
    • 43193

    #2
    Re: C-3, 1970 Corvette 454 cam specifications

    Scott-----

    You can get a Crane-manufactured reproduction of the original camshaft in a kit which includes lifters from GM dealers under GM #12364055. GM list price for the complete kit is $177.13 which makes it a very good value, especially if you buy it for less than this price from discounting GM dealers.

    If you are doing a stock rebuild, the above is what I would recommend doing. Whether, or not, there might be "better" cams depends upon what you're after. If a stock rebuild is what you want, the above is what you need.

    The 1970 LS-5 camshaft, which was also used in many other big block applications over the 1966-72 period, made more torque than any other engine ever installed in PRODUCTION in a Chevrolet-branded car, either before or since.

    The above-referenced camshaft may or may not have the rear camshaft journal groove required only for 65-66 big block applications. If it does, then, according to Chevrolet, you need to modify the camshaft rear bearing by soldering shut the hole and redrilling to .060".
    In Appreciation of John Hinckley

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