Well i have the auto prelude... the tranny was built by velocity resources theve done all my work on the car... the clutches, the torque converter was sent out and rebuilt, and i also have a 3k rpm stall for launching... Overall the build with labor was like 2000 bucks but when ur puttin 260+ to the ground you need it.. on slicks i hit 12s pretty easy and keep in mind im only on 12 psi with stock internals so theres alot more room to upgrade...