How does oil get to rockers with solid cam setup

Ask Mike at MRL. He and I are kicking around the idea of building a big block. There is some kind of oil trick it will involve, but I don't know the details. I think 440 source sells the kit. There may be instructions on their website.





Here is a pic I found on a post by Mike:
http://www.forabodiesonly.com/mopar/showthread.php?t=154750