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Andrew7dg · 08-10-2007

It flows both ways. Under boost, the PCV closes, and blowby and other CC leaks need a way out - through the VC breather. It helps to have vacuum to pull gasses out or they stay in the oil.

If you look at my arrangement I do have a catch can but it is sealed and hooked up back to the intake tube. So get the best of both, vacuum and something to filter out the crud that comes out the VC breather so it doesn't go into the turbo.

08-10-2007	#1
Andrew7dg Built it from scratch! Join Date: Mar 2006 Location: St. Paul Drives: Currently Mitsu-less Posts: 851	Re: PCV System It flows both ways. Under boost, the PCV closes, and blowby and other CC leaks need a way out - through the VC breather. It helps to have vacuum to pull gasses out or they stay in the oil. If you look at my arrangement I do have a catch can but it is sealed and hooked up back to the intake tube. So get the best of both, vacuum and something to filter out the crud that comes out the VC breather so it doesn't go into the turbo. __________________ "A turbo, exhaust gasses go into the turbocharger and spin it, witchcraft happens and you go faster." Last edited by Andrew7dg; 08-10-2007 at 11:57 AM..