ISO '74 472 parts and info

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500, 472, 425, 368 Discussion, ISO '74 472 parts and info in Cadillac Engine Discussion; Got a 74 Deville with 472 looking for an EGR block off plate, and the vacuum valve that goes between ...
  1. #1
    DevilleDude74's Avatar
    DevilleDude74 is offline Cadillac Owners Member
    Automobile(s): 74 Coupe Deville
    Join Date
    Mar 2014
    Lawrence, KS

    ISO '74 472 parts and info

    Got a 74 Deville with 472 looking for an EGR block off plate, and the vacuum valve that goes between the EGR vavle and carb on the intake manifold that supplies the A/C controls with vacuum. Also if anyone has the diagram for all the vacuum lines in the engine bay I would much like a copy of that. Bought a factory repair manual off line and it doesn't give a schematic of the vacuum lines. Found one on here for a 70 but once I saved it to my computer and zoomed in I couldnt read the text anymore to see what was what. Any info would be much appreciated.

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  3. #2
    Rdtreur is offline Cadillac Owners Member
    Automobile(s): 1970 Eldorado, 1968 DeVille convertible
    Join Date
    Dec 2013
    Amsterdam, the Netherlands

    Re: ISO '74 472 parts and info

    The 1974 shop manual that i have has a fold-out diagram in color. When I'm at my shop I can post a photo.
    I hope to be there somewhere this week.

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