Quote:
Originally Posted by Jim Gries
92 Octane fuel.
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Jim - Assuming that implies you are running an E-10 auto fuel??? ... just as many of us RV-12 owners do.
The black area underneath where the flakes of metal came off is troubling to me ... looks as though there may have been a reaction with ethanol. Have seen photos of fuel pumps pulled out of auto fuel tanks that have dark areas like that which were said to be an artifact of ethanol and moisture (either in the fuel or in the air).
If you are using E10 and purchasing it primarily from the same source, it would be interesting to do the testing for ethanol content. Don't know how one would test for water content ... but based on reading, a gallon of E10 will suspend about 3 teaspoons of water at 70°, so suppose one could scale down to make test tube testing possible.
It will be very interesting to hear what Lockwood and/or Rotax has to say about the metal flaking and the bubbles forming.