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OIL analysis results - question

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OIL analysis results - question

So I'm staring at a recent oil analysis on my AEIO-360AIE from my Pitts S-1T. Its showing higher than normal Iron and Chromium levels in the oil. Specifically the Chromium went from 3 to 21 and the Iron from 30 to 340.

My mechanic says not to get stressed by it, that it happens and is not a sign of impending doom. Then again I run this thing flat out 80% of its running time and kind of have a vested interest in it working perfectly. What do you guys think and what is your experience with abnormal oil analysis in an aerobatic engine?



© Dr. Günther Eichhorn
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