Originally Posted by
Coheed keep the pcv valve in the valve cover, cap it. Take the nipple from the intake manifold and cap that as well. Deleted.
Or do what he said, but you can utilize the PVC port as an extra crankcase relief line so you don't have to tap one yourself.
Here is a nice thread regarding some EVO guys running high boost:
Fucking Crancase Pressure & Stupid PCV Valves
That should give you some ideas on what to do.