do you check the ride height often ..it can change a good bit everytime you get on the track ..i tried to read through and see if any one had suggested checking it ..but it is one of the most critical things to be aware of ...for common track people run on 29mm rear and 27mm front is the norm ..also try as some have said to run your camber in the rear at 2 degrees negative ....i went from 2k to 3k in the rear at the recent psycho blast in the atl ..it greatly helped me get some more traction in the dusty loose parts of the track ..also depending on your radio try running the expo on the throttle down to like -30 and adjust from there ...as a few here have said it WILL tame the rear end down a good bit ....