JBdaJuggalo
the primary problem is that the back wheels spin me outa control when coming out of corners, so it has to do with some differential tuning
Okay... well, here's what you could do... If you want, take off all the the ASM settings to start. Do this so that you can find out how much your tune is doind and not be fooled into thinking it's doing something it's not.
So I'm guessing that you've got a nice ride going into turns. So what you'll want to focus on is the LSD acceleration setting. The more you add to this, the less likely you'll be to spin out the back end.
Next... are your suspention settings hard enough? If you haven't dropped it down at all, you'll want to do this now. You should at least be able to go down to 5 above vottom for ride h. Next, bump up the spring about two whole numbers from their stock positions (you'll have to fiddle around with it a bit to get it just right).
Lastly, get a wing for it (either of the first two sets should do fine). Add a bunch of downforce to the rear... maybe even max it out. Then go about 10-14 ticks less for the front end... This should do a good job of keeping the rear where it's supposed to be. Later...
P.S. If you're loosing the back end due to wheel spin. Play with the TCS.
P.P.S. I'm at work so I don't have my actual settings with... try these little things and let me know if you need me to post my other settings...
