As I am not a professional driver, I have tried numerous set-ups and if you have a good adjustable suspension set-up can make the Z32 do what ever you want with almost any wheel/tire combination. As this is something you are doing only occasionally then get want you want. Yes I have run the factory stager sizes 2 or 3 years and a bunch of events, all 16 inch x 8.5 two years and more events than I can remember and this year on 4, 17 x 9.