Conclusion- Guys help me out what it takes for this swap to a 722.6 and 3.67 diff. Exactly who and what do I need to contact for programing and how reliable s this reprogramming. I have a hard time trusting other people to modify my cars. The problem I have is I know nothing about vehicle computers (for the most part, Ill just say I know nothing even though I know more then the average car enthusiasts).