Quote:
Originally Posted by ctrlz
I agree.
I would look at the hose that connects the oil separator to the air cleaner duct. This hose should be letting clean air in. It should not be filled with oily residue. It sounds to me like your PCV valve may be stuck, and your crankcase blowby gases are being rerouted in such a way you are drawing blowby and oil into the intake stream, rather than having them sucked through the PCV valve.
Higher crankcase pressure will result, and force oil into places it should not go, particularly at higher rpms.
Leaking oil seal does not account for oily exhaust fumes.
Also, I assume you are losing oil. Can you say how much?
And I would not install any aftermarket gizmos that change the PCV plumbing until you have this sorted. Dealer may say your catch can CAUSED the problem.
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So I just remembered something as I was reading this. I have an LT2 intake and the PCV hose that attaches to it is in an awkward position. I had to sort of fabricate my own hose by attaching a longer hose to the quick release clamps because the OEM hose doesn't reach the intake mani. The issue I was then running into was that the hose I installed was rubbing against the hood because of the arch thats in it was too high. I need a 90 degree quick release to solve that issue but never got around to it. (see pic for reference)
Could this have anything to do with the issue?