Hey ya'll. im 18, live in a small town in Missouri. i drive a exstensivly modded (int. ext. perf.) '89 Chevy reg cab stepside. I also own a gen III 6.0 lq4

herien lies my problem- i have a built 700r4. what all do i need to do to mate my '01 6.0 to my 700r4 and keep the stock (reprogrammed of course) pcm and harness?