[A26B]

Originally Posted by XfireZ51

So Jerry, although we are nowhere near boost pressures, at WOT, atmosphere and manifold pressure is nearly identical so does that mean we are not getting much in the way crankcase pressure relief? I'm asking because I seem to be getting a bit more blue smoke under hard decel after hard accel.

You are correct. The PCV system is essentially non-functional under WOT conditions.

Under hard deceleration, intake vacuum is at its greatest, resulting in higher than normal PCV velocity to the intake, which lessens the effectiveness of the catch can system.