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With boosted engines you will get blow by. If you are still using the PCV system you will get oil in the throttle body and intake, it will get into the IAC and cause idle problems after awhile. I you have a breather on the valve cover it will blow oil out of the breather, mainly when in the boost. The oil will get all over the side of the engine, headers, plug wires. There are companies that make oil catch can or filters to go into the PCV hose to catch the oil, that will have to be drained every once in a while.I think Steeda has one. I have worked on multiple boosted cars and they all eventualy have some blow by. Which is cylinder pressure getting buy the rings, creating high crank case pressure, that has to get out some how and when it does it carries oil with it. I have plans to make an oil catch system with a breather for a friends car soon. If the oil gets back into the intake, it will get into the cylinders and then the cylinders get carbon build up which will cause detonation. That is very dangerous with a power adder.
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My car is an '85 sonic blue coupe with 302 bored and stroked to 364, Ported Twisted Wedge heads and a BXR intake, A9M ECM with a Tweecer, C4 with trans brake, Hoosier 275/60/15 drag radials, no power adders. The car is still street driven, with a best of 10.21 at 131 mph with a 1.51 60' spinning lightly. With this combo it made a best of 460 hp and 410 lbs of torque at the wheels.
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