Quote:
Originally Posted by RocketyMan
What does running this high of ethanol do to the engine oil after say....3000 miles of driving?
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I’ve been using 85% ethanol in my Chevy 5.3 for years now, and the oil never turns black. It gets a little darker, but not like it did on gasoline. One thing I can say from experience is, everything does seem to run cleaner.
I don’t see why the M54 would be any different. And now that I think about it, M54’s tend to burn a bit of oil, so this should ultimately reduce carbon in the head, plugs, O2’s, cats, etc.