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  1. #1
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    300x compression

    If there was water in the engine would compression still be between 120 &130 on all 6 cylinders? No water on the plugs.

  2. #2
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    Water as in leaking head gaskets or water as in sunk and submerged?
    1990 Shadow bass boat w/ 2.4 200 Merc. Totally resto'd boat and love it!

  3. #3
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    Leaking somewhere in engine. Head gaskets or somewhere else in the block.

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