Hey guys I just picked up a 2012 auto GT and was going to do some mods to it I was thinking of 4:10 gears and LCA and when I go to the track a set of 15x8 wheels with some mickey tompsons et streets and try an hit a low 12 second run but what's every ones thoughts on auto with 4:10 gears and what's the top speed for 4th gear don't wanna be hitting 5th in the quarter