I've got the PCV valve plumbed to the valley pan and the intake manifold. And, I've got a valve cover breather cap. I don't have any leakage to speak of around the oil filter area. It must be coming out of the breather cap. I was under the impression that the breather caps were stock for '67s. Can anyone answer this for sure? Maybe it is just a condition that will exist with that style of a setup.
What would happen if you put a air tight cap on the valve cover and eliminated the breather? Probably nothing good, huh?
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