[GTO-relic]

btw fwiw, practically all or most of the top running NHRA Super Stock engines, have devcon or a similar epoxy inside the intake ports. they have to, in order to move the port volume around and stay within rules, while straightening the port and gaining some flow. that's one of the tricks they use to get 350" SBC engines with a Qjet to make 660HP. it won't fall out if done right.

[GTO-relic]

ps- if you want a fully adjustable PCV, there's a guy in Pa. sells them, everything is billet aluminum machined on CNC from scratch. I bought the whole setup it works great. Basically you can adjust the size of the orifice going from the valley pan or valve cover vent, to the intake/carb base vacuum fitting. It will pull it ALL OUT. just make sure you have a good baffle in place in the valve cover. I preferred to run it in the valley pan because that is already heavily baffled away under the cover, to not draw in liquid oil spray. The unit also has ability to just remove the adjustment screw feature, and run it wide open, but retain the check valve in case of a backfire in the intake. You won't see any oil around the filler or breather cap, that's for sure. Google adjustable PCV. They are made in Kingston, Pa. by a ma/pa/son outfit. Nice people. Not cheap but worth it. They went so far as to flow test all the original PCV's and develop an adjustable one in the correct range. The problem is, all the replacement PCV valves do NOT have the correct calibration ! Back in the day 1960-70's a ton of defective factory replacement PCV valves were made, so to the unsuspecting public, and cars were pulling oil up like crazy, if the PCV was in an unbaffled valve cover. So an adjustable one is a great idea.

here ya go
https://mewagner.com/?p=444

https://www.classicindustries.com/pr...ce=1&gclsrc=ds