Quote:
Originally Posted by Nutbutt
If you are going to supply vacuum to both valve cover sides and have a can on each side the PCV flow direction will oscillate from passenger side to drivers side depending on which side has a higher vacuum level and one of the cans will be in reverse flow all the time. If both vacuums are about the same level wouldn't there be no evacuation taking place ?
Got to say this is a great conversation !
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It will actually work just like the stock IPF setup, both sides going to one can and being under vacuum. The stock setup actually worked well during boost, but just allowed too much oil/water through.
The setup I'm going with will do the same with 2 cans. Both cans have check valves on the exit ports so the can will never flow in the reverse direction. Right now I plan on having both sides combine into 1 line before the intake tube. I have no clue what would be involved in getting a 1/4" NPT installed on the intake tube. I think in theory this will provide equal vacuum. If not at least it will allow the crankcase to vent.