Doesn't it have something to do with the fact that he's racing with lots of turns? I didn't think his problem was blowby.I don't understand why you are having such shitty luck with oil surge. When I had my car on the dyno for tuning, did 6 - 7 pulls and my catch can was empty. I thought for sure it would be full but it wasn't. Don't give up, you will eventually figure it out.