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    Mercruiser 7.4 Oil Dump

    I have twin 7.4's with just under 900 hours. They run flawlessly. After a trip in August, approx 45 min run @ 3400 RPM's, the port engine had dumped 2-3 quarts of oil into the bilge. i refilled the oil and haven't lost any since. How is this possible??? Where do i begin looking for a problem?
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