Here is a fairly pathetic vette 190 mph video:
http://www.motortrend.com/av/112_060...tte_z06_video/
This car did 200 mph in the standing mile:
http://www.ls1speed.com/movies/intmd8_199.wmv
This car did about 190 mph with a flipped blower belt!(Standing mile)
It does not seem to take much to do a 1 mile blast!!
A 4 point roll bar is needed if car is attempting to hit 190+ mph
I know with my car, with a t56 the 5th gear ratio will be perfect for a 200 mph goal. That is why I say a t56 would be a good choice. Both cars above have a t56.