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Thread: engine # help

  1. #1

    engine # help

    i have a 1980 US SC. the engine # starts with 640..... according to the red book it should be 630.... there doesn't seem to be a case stamp either.
    is this an 1980 SC motor? any help? cheers and happy holidays!

  2. #2
    Member #226 R Gruppe Life Member #147
    Join Date
    Feb 2009
    Location
    Portland, Oregon
    Posts
    2,343
    Porsche Teck spec says: 640=80 SC USA

  3. #3
    thank you, cheers

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