My car ran 12.30's at 118 on 17" Nittos(pump gas/alky). The 17's didn't hook for me. If you are looking to run quick ET's , go with the 15 inch set up. 17's look good, handle well but don't hook worth a damn. It's all in what you want. I would bet you could get some 1.8...maybe 1.7 60fts with 17's if the suspenstion was set up right. I had to tip toe out of the hole (zero boost launch and a light foot for the first 150-200ft). That netted me 2.20 60fts. Not so nice if ET is your bag.