PCV and oil catch can questions
 

So I had some questions about a PCV system I have an LS two and the issue that I'm having is my aftermarket valve covers do you not have a PCV or vent option on them so I'm trying to determine what it is that I need to do to get one.do I have a bung welded on my valve cover and then route that to the valley cover? My next issue that I have is about a Catch can Based upon what it is that I've been reading I certainly want to get one I'm just not sure how to plummet either any help would be greatly appreciated.
I found the shop that makes these custom Catch cans
http://www.rndfabrication.com/AdditionalProducts.html
If you need me to send any pictures or anything that would possibly help please let me know so I can send something out