MBC help Options

[mark95turbo]

OK. I finally got my new turbo on and it spools nice and fast! The only problem is that I cant get this damn MBC to work! It either lets me hit 10PSI (which sucks), or 20+ PSI (which sucks worse). There is no inbetwen. I back the set screw all the way out to where there is 0 pressure on the stopball ( I can hear the spring and ball rattle) and I hit 10PSI, or if I turn it a 14 of a turn in to where the spring is barely putting any pressure on the stopball and I get ungoldly amounts of boost. I cant figure it out! I literally spent all day searching the internet, trying several different springs stopball combos, and whatnot. I cant figure it out!! WTF? Please help.