15 in rims
 

Im Looking for some opinions. Ive run 15in rims with slicks on my chevelle, and I love the traction. I've never run 17in radials before, how much less traction should I expect? Would it be worth swapping the rear rotors for the 15in BMR setup? I understand that this would dramatically change braking abilities on the track, just trying to figure out the best way to fix this traction problem!