What's up with my MPH?

Maybe I am just not driving this right, I know that the launch and 60 ft are not too good because of the stock F1's, but I thought these things trap over

best #'s I could muster:

- 2.126

- 8.698

- 84.76

- 13.414

- 107.09

Thanks for any feedback -

Chris '03 Cobra vert -