I have a 1995 chevy k1500 with a 10 bolt 8.5" with 3.42 gears. My buddy has a 10 bolt rear axle out of a 1985 k10 with 4.56 gears also 8.5". I am curious if I can just change out internals (gear set, shafts, and pinion) and it work like new. The reason I am going this route is to save cost. Any...