So I installed a cold air intake and swapped out a bad supercharger for ported early style blower on my 90SC. Cleaned the engine and all looked sweet. Took it for a spin and all worked well but come to notice when I got home, smoke from under the hood coming from the drivers side. I seen oil splattered over the intake tubes, around the bottom of the brake reservoir and around the hood. My question for you guys is, can a bad valve cover gasket cause this much oil to leak and spill over like it did? I cleaned the engine and tightened the lower VC bolts and the leak is still there. Another question, I plugged the drivers side vent tube and was thinking would pressure build up, if any, cause the gasket to bust since it wasn't leaking before, well didn't notice it.