283 PCV Script Valve Covers

[threeonthetree]

Just finished dropping in a low mile 1966 283 .060 over has about 2,000 miles on it.
I am running a stock intake with a 600 cfm Edelbrock 1406. Intake has the oil fill tube and I have a vented cap on it. Running script valve covers with no pcv provisions.

Having an issue with the pcv. What I’ve done is ran an elbow off the hole in the back of the bock behind the dizzy. I am running vacuum hose to a pcv threaded into my carb spacer. With a vented oil tube cap.

Basically this set up

https://m.ebay.com/itm/1967-Camaro-L...kAAOSwnTdZ5470



The problem I’m having is I just got it on the road and it seems to be building up crankcase pressure. For one when I get on it I got a big smoke cloud behind the truck. It also shot the filler cap out of the fill tube lucky for me when I got home it was still sitting on the intake and I didn’t lose it. Also seems to be blowing oil out the gaskets because I have some sort of leak now there was a small spot on the floor after it sat.


But idk why this pressure is building. Seems my set up should work any ideas?


Should I ditch this set up and run conventional vavle cover set up. Or anything I can check any ideas ?