Installed My Ford Performance Catch Can

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Full Access Member
Jul 31, 2018
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Would be cool if the AOS drained the oil back into the crankcase. Any water would get evaporated as soon as it went back in.

Fuel would be draining back too and DI tends to cause more fuel dilution. The amount of oil caught in a catch can is so insignificant (on a healthy engine) it's not worth the hassle routing it and all the other crap back into the engine.