TwinTurbo.NET: Nissan 300ZX forum - Re: The PCV system is designed to alleviate pressure from blow
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Subject Re: The PCV system is designed to alleviate pressure from blow
     
Posted by 300zulater on May 08, 2022 at 7:36 PM
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In Reply To The PCV system is designed to alleviate pressure from blow posted by Tanley (ATL) on May 08, 2022 at 09:56 AM
     
Message I get that the exhaust side cover is/was (I did the PCV delete) too low. My question is in regards to , under boost the side valve cover PCVs are closed off and that only leaves the two vents coming off the valve covers that have restrictors in them. Each restrictor only has a 1/8 inch diameter hole so the total would be 1/4 inch hole for crankcase ventilation which doesn't seem like enough. Does a 1/4 inch diameter vent sound like enough to vent crankcase pressure to you not to me so I would need some proof that it is enough. Also I respectfully disagree that under boost there wouldn't be much difference in blow by even in a healthy engine, granted it depends on how much boost because to me more boost = more blow by.

     
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