Originally Posted by baseballdbk1
My setup is the same way with pulling no vacuum and works just fine!
Works just fine? Or doesn't suck? Sure it catches oil, but what else is it doing for you? There are way more reasons to pull vacuum on a crankcase than just to catch the air/oil/water vapors. I know a total loss catch can works okay, but that's not what I'm after with a good PCV system.
IMO your build would benefit from a vacuum pump more than most other motor mods you could do at this point. It's usually good for ~5% power gain.