I would go with the TKO 2 also. Just less things you won't have to worry about. You don't have to be at high RPM launches for that Tranny to feel some serious tourque.
Any car that pulls them pizza cutters off the ground is definately a valid customer for a bigger input shaft. Not required but nice.
Tyler
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1991 Mustang GT--------BlackSunshine is about to be reincarnated.....Evil Rises.....Darkness Falls......"Gripping the wheel his knuckles went white with desire, the wheels of his mustang exploding on the highway like a slug from a .45, true death. 400 horsepower of maximum performance, peircing the night. This is BlackSunshine....."