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D2-55 pistons the wrong way around any thoughts

Old 11-10-2018, 01:35 AM
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Default D2-55 pistons the wrong way around any thoughts

Hi everyone, I have a question I hope someone might be able to solve.
- Short background - I recently purchased an ex charter boat from a Croatian chartercompany and have sailed / motored down to Greece over the last 6 months. With one leg being a 30 hour motor sail between Montenegro and Greece. In the last few weeks I noticed very small bubbles in the coolant reservoir tank. The start of cylinder head gasketfailure? This was confirmed by a marine Engineer and although the engine had not overheated I decided to have the head skimmed and a new gasket fitted. On removing the head a small breach in the gasket was found and a second section of gasket was about to be breached. But most concerning was the discovery that the cylinders had all been installed the wrong way around ie rotated through 180 degrees.
I have contacted the charter company and they are insistent that no work has been done on this head for the last 8 years... this sounds impossible.. I would appreciate others thoughts / input as to how this engine has run like this for the last 6 months at least .. and if the charter company are to be believed 8 years..
Oil usage has been minimal over the period I have had the engine, I also operated it mostly in the 1500-1800rpm range.Attached Thumbnails

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