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Recent content by Big Gee

  1. B

    questions about Merc 70 pistons/rings.. worth fixing?

    How confident are you that your compression gauge is accurate? If you have a history with the gauge and know it to be reasonably accurate, those readings are what I would consider to be on the low side. Even so, if it powers up for you on the water, run it the way it is.
  2. B

    2000 Johnson 150 comp test fail

    See if you can borrow or get a loaner compression tester and recheck the readings. 60-65 on all 6 cyl. of a good running engine leads me to think your tester may not be accurate.
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