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I have just been re-reading over the older posts fom Aaron Murukami where he modified his Subaru PCV and he indeed blocked his actual PCV - allowed the back up - failover (my assumption )to vent from airbox. .The question would be , will have to place a vacuum guage on these three pipes to and from motor to see if there is any pos pressure inherently - if not how would the system work if there is no high pressure on one side of the system and no low pressure - this would mean gases would not flow .
Going to have to ponder over this one again .
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