Heavy Breather!

Add a baffle to the valve cover that doesn't have one, keep the PCV on the one side then replace the filler cap with a breather and the hose going to the air cleaner. Your engine can have good cranking compression (checking with a gauge) while still having some blowby if the rings were gapped wide and/or you are running a higher compression ratio. I don't think it should be blowing oil like that though, try the breather on the other side and see what happens next time you floor it.