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Thread: 392 man flywheel to 304 motor

  1. #1
    Join Date
    Aug 2009

    Default 392 man flywheel to 304 motor

    have a 392 flywheel in my 345 got a smoking good deal on rebuilt 304 will flywheel fit on it?

  2. #2


    Yes it will bolt on. Bear in mind that every engine is final balanced before leaving the factory. Often they remove weight from the flexplate or flywheel to final balance the engine.

    You could possibly have an out of balance issue when swapping stuff around.

    With that said I have swapped a flywheel from a 266 to a 345 and then to a 392 with no issues.


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