Cad 500 question

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500, 472, 425, 368 Discussion, Cad 500 question in Cadillac Engine Discussion; Just getting ready to clean and paint a cad 500 (not in car). Question is what are the 2 holes ...
  1. #1
    crounbie is offline Cadillac Owners Member
    Automobile(s): Cadillac
    Join Date
    May 2008

    Cad 500 question

    Just getting ready to clean and paint a cad 500 (not in car).
    Question is what are the 2 holes app. I/2"x1" on top of engine between the valve cover and the intake manifold.

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  3. #2
    The Ape Man's Avatar
    The Ape Man is offline Cadillac Owners Connoisseur
    Automobile(s): '80 Fleetwood Coupe, 1994 and 1995 Mercedes 140 Coupe
    Join Date
    Feb 2005
    Southern NJ

    Re: Cad 500 question

    You mean in the cylinder heads above the exhaust crossover? Probably someplace to facilitate casting.

  4. #3
    70eldo's Avatar
    70eldo is offline Cadillac Owners Connoisseur
    Automobile(s): 1970 Eldorado.
    Join Date
    Sep 2005
    Dutchman in Germany

    Re: Cad 500 question

    or to use it for lifting?

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