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Recent content by jetpc4

  1. J

    Low to no compression on #3 cylinder

    "I have an early 70's merc "I have an early 70's mercury 85 horse. I just bought it, so dont know a whole lot about the history, but the motor seems to be really clean. i pulled the spark plugs and did a finger check on the compression and the #3 cylinder has very little if not zero. Whats...
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