i switched from a pcv valve to an orifice pcv a few years ago, improved my oil mileage by somewhere between 33-50%
Quote:
Originally Posted by Old Mechanic
Possibly a leaking head gasket. The muddy liquid sounds like a mix of coolant and oil. Are you loosing any coolant?
regards
Mech
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i've been seeing a pool of nasty looking oil in the intake tube on all the gm 3.6s right by the pcv breather tube. i was guessing aerated oil mixing with humid air. either way, i wouldnt pour it back in