Quote Originally Posted by 85cj7 View Post
a auto is not going to help you out a tf999 only has a first gear of 2.74 which would take you to a 25:1 ratio, the 747 is even worse with a first gear of 2.45 which gives you a 23:1 gearing.

you are forgetting the torque converter. generally, it contributes 2-2.5x torque multiplication. manual transmissions are for losers and weenie motors. a 258 has more power than sharpe's old diesel turd. i still dont see how a transmission swap is cheaper than any other option.