im now running an rb30.there is a massive topic in the forced induction thread regarding oil control for rbs.
have a good read(I think 60 pages from memory).
read the first and last couple, should give you the jist.
welcome.
glad to hear youre enjoying your car.
the search button is great for info.
use a couple of key words and sift through the results.
hope to see you around the forum.