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Thread: -70 472 heads on 500 -74 engine?

  1. #1
    Pjotr's Avatar
    Pjotr is offline Cadillac Owners Member
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    -70 472 heads on 500 -74 engine?

    Hello, could I put -70 #950 76cc heads on a -74 500 engine? Too high compression? Anything else? Does the carburator from a -70 fits on a -74 500?


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  3. #2
    davesdeville's Avatar
    davesdeville is offline Banned
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    Re: -70 472 heads on 500 -74 engine?

    76cc heads on an engine that had 120ccs originally will give something near 13:1 compression. I can't think of a reason the carbs wouldn't be interchangable.

  4. #3
    lux hauler is offline Cadillac Owners Connoisseur
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    Re: -70 472 heads on 500 -74 engine?

    If the choke set up is the same, it should bolt right on.


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