hey guys, i just wanted to know how to swap the clutch hub from a V6 clutch to a V8 clutch

the hub is the middle section that is splined


how is it done?

thanx in advance

also, what do i have to change the VSS gear to when going from 3.42 rear gear to a 2.73??

and, a stupid question, is there a difference between a T5 crossmember and a 700R4 crossmember???