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Originally Posted by gsmith660
I have read several times that the oil film in the intake of 930s is common place because of the design of the stock turbos
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Hey mate, might be a common place with the stock or KKK turbos with journal bearings but ball bearing turbos should not have any oil entering the intake, it's not good for MAP, MAF, temp sensors and lowers the octane of the charge.
Quote:
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Originally Posted by quattrorunner
Also and I might be wrong here but my memory seems to remember that the oil to tank is not optimal over putting it into breather housing? From an old discussion the tank is after filter? So if your turbo oil is "messy" it will still be filtered if dumped into the breather housing? I could be wrong...
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I'm sure you're right, I have no idea how it's returned typically in a 930, I just know it's in or around the oil tank, I can't find a decent diagram.