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Old 03-31-2016, 01:03 PM   #10
Ski in NC
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City: Wilmington, NC
Country: USA
Vessel Name: Louisa
Vessel Model: Custom Built 38
Join Date: Jan 2014
Posts: 4,289
When I listened to the noise on the vid, it was only hitting occasionally, a bearing or piston would be every rev or every other rev. Engine would make several revs, then a "thunk", several more revs, thunk.. and not consistent. Only things that seemed to fit were loose torsional damper on the front, sticking valve, or maybe something wrong with drive coupling on flywheel. It was not a noise I had ever heard on a similar engine.

Then we heard nothing of the issue til this...
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