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Thread: 500 cid year ID?

  1. #1
    Join Date
    Jul 2004
    Posts
    2

    500 cid year ID?

    I'm considering buying a Revcon motorhome, with a Cadillac 500 cid engine and Art Carr modified Turbo FWD transmission. Would someone be willing to tell me how to determine which year (and compression ratio) this engine is, please?

    Thanks,

    Mark in Modesto


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  3. #2
    lux hauler is offline Cadillac Owners Connoisseur
    Join Date
    Jan 2003
    Location
    Ohio
    Age
    47
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    1,258

    Re: 500 cid year ID?

    There's only really one way to tell.......pull one of the heads. A casting number under the valve cover could tell you whether or not they are small or large combustion chambers but there were different piston designs used. The size of the piston "dish" changed the compression.

  4. #3
    Join Date
    Jul 2004
    Posts
    2

    Re: 500 cid year ID?

    Thanks, Lux, it sure doesn't sound as easy as a serial number search! Having no idea what year model the donor car was, I guess I'll just have to hope it was a good one. Could one assume the earlier, higher hp/torque/comp. ratio engines would NOT run well on regular, while the later, subdued models might?


    Mark


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