Re: Crankcase Pressure
I only have one breather on the passenger side of my 5.0 and no breather on the driver side valve cover. Difficult to get anything to fit on drivers side valve cover because upper plenum is in the way. I have tried open breather and have tried connecting it to the throttle body like factory. I also have the PCV valve coming out the back of the block and have tried sending that to the throttle body, sending it to the upper plenum, and just plain blocking it off. I still haven't figured out the best scenario for a stocker and I still burn some oil occasionally. Leakdown shows up fine. At the risk of sounding like a fool, are you supposed to block off PCV when you run breathers or can you run breathers along with pcv? I'm thinking that sending unmetered air back into an EFI system without the computer knowing may not be as good as a Carb system.
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