Regardless of how "good" the PCV valve is, I'd pop it out and completely eliminate the possibility that it could be contributing to the smoke. When we have had a valve that was pulling oil it took about 20 miles and/or 30 minutes to clean up the residual oil in the hose and manifold before the smoke went away.
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Mick Batson
1967 original owner Tyro Blue/black top 4-speed HO GTO with all the original parts stored safely away -- 1965 2+2 survivor AC auto -- 1965 Catalina Safari Wagon in progress.
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