TwinTurbo.NET: Nissan 300ZX forum - Keep in mind that it's just a pressure relief - you're
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Subject Keep in mind that it's just a pressure relief - you're
     
Posted by Woodnutz (PA) on May 09, 2022 at 1:37 PM
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In Reply To Re: The PCV system is designed to alleviate pressure from blow posted by 300zulater on May 08, 2022 at 07:36 PM
     
Message really not flowing a significant volume of air/oil vapor... unless there are major problems. It doesn't take much cross-sectional area to provide relief for a relatively low pressure.

I'm sorry, I don't have proof, I just know that we use orifices in hydraulics in our systems that are smaller than these PCV ones and we're flowing hydraulic oil at 2000+ psi, depending on the application - just to smooth out functions.

That said, certainly more free-flowing relief is better, as is less oil going back into the intake - then catch cans come into play.

- Aaron

     
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