An Idea
It gets out through the crankcase vent which is routed into the intake manifold. There's plenty of water formed by the combustion process and even tiny amounts of blow-by will expose the oil to it.
I get a ton of froth using mobile 0w40. It seems to always collect in my intake tract. In the summer or using 5w20 it was not a problem. During the summer not a problem with the 0w40. I need a better oil cooler thermostat.
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tommy26Germany
Series I Trouble Shooting
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Sep 29, 2015 10:33 AM




