Not to thread jack but out of curiosity (since I run a pcv) Mine seems to work great but what are the do's and dont's as far location? I have mine in the right side valve cover to the rear of my intake.
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Think about it.
If you're venting from the rear of the cover, the bow rises under acceleration, it could pick up raw oil if the bow stays high long enough and the vacuum levels are low enough to pull the oil like a straw.
It's rare, but does happen. Oil does not compress.
A PCV can work as long as the engine is pretty tight and the carburetor is not oversize. With a proper sized carburetor (which is technically oversize) will run the manifold vacuum at near zero inches, the PCV does nothing at that point. Dual carburetors this is even worse.
I would put the vents at the front. PCV on one side and an open breather on the other side. I like the MOPAR style with a hose connection and route it to the flame arrestor/scoop.
GT
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