Quote:
Originally Posted by gsxr
I was wondering about that... but I'd be concerned about exhaust backpressure exceeding the PCV pressure. Even with a check valve in place, this could create excess crankcase pressure - I'm not sure how likely that is, but it's possible.
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Depends on how you route the hose. In fact, I have a vacuum since it always draws the CCV smoke out the exhaust. I put a check valve in it and it caused the pressure to back up so I removed it.
http://www.ford-trucks.com/forums/showpost.php?p=3481404&postcount=22
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