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Old 01-31-2019, 04:17 PM   #6
Hacksaw
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Join Date: Sep 2016
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Default Re: Adjustable PCV Valve

Quote:
Originally Posted by Ed Wright View Post
I played with those when I still had my flow bench. Mid '70s 454" trucks had the highest flowing I found at that time. Must have been ten years ago. An NHRA Tech guy made me take mine off. I still feel like that is wrong, but I try to follow their directions. My car came with one, still feel like it should have one. Gone now.
OK, we are talking a drag race engine here so why would you want to let crankcase pressure fumes enter the intake side and taint the fresh fuel charge?
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