Recent content by sgtnoah

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    3.0 High RPM Misfire

    Last winter I put a new long block in my boat, the old motor broke a ring and did significant damage to a cylinder. Other than this damage, the boat ran great, was able to pull full nameplate RPM (with current prop, of course), and otherwise had no operational issues. Fast forward to the...
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    Engine oil in the water

    Through the summer I've been dealing with an oil consumption issue with my 2005 3.0L Mercruiser. I previously posted here and was given some great suggestions on things to try. Now that the season is over, it's time to get to the bottom of this one! The issue: Oil consumption, 1/2 quart per...
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    To pull engine and repair, or to run it!

    Hello all. It's 2 degrees in Iowa, so possibly a strange time to think about boating... However my boat is in a heated garage and I'm starting to get optimistic that winter may in fact end at some point. Time to consider addressing an engine issue. Boat is a 2005 with a 3.0 Mercruiser that I...
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    A few more pressure testing questions...

    First of all, I hope that everybody has a wonderful Thanksgiving. We all have a shared hobby, and that is one of many things that we all can be thankful for! Regarding Alpha One Gen II drive leak testing using air pressure, I searched the forum and used the advice to make a pressure testing...
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    Upper water pump seal question.

    Long time reader, first time poster. You all have a wonderful site here, I've learned a ton and it's gotten me out of a number of mechanical jams. One question that I couldn't find the answer to using the search function: My boat has a mercruiser 3.0 with a Alpha One, Gen II outdrive. I just...
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