Ok, I see that its been covered before. Its just crazy to see that much difference in mph. If you look at my 11.611 slip that Harry posted the ets all the way through the 1/4 are almost identical between our runs. If thats all in the gearing thats quite a difference. Also what rpm did you shift when you had the TT rear in it? And I'm also thinking of going with a 28" tall tire so I don't shift to 4th right before the traps like I am now, I know that shift is costing me a tenth or more.
90'TT Stage III+ Pearl White 5sp 91'TT Stage IV+ Black 5sp