Oil Pressure Problem

[raidermanny]

I fired my crate engine up over the weekend for the first time and for some reason the oil pressure is to high. It has a high volume pump, breather and a pcv valve. It was at 75 at idle and a bit over 100 when reved and it blows the dipstick out. Any ideas what the problem could be? I thought maybe the breather was too small on the valve covers that came with it so I switched to these Moroso's from my friend and it helped lower it a little but still popped the dipstick. I'm scared to let it run long and blow a gasket. Besides that it sure sounded nice. Its uncapped so I had quite a few neighbors come outside to see what it was.