Thanks for the welcome. I have been a lurker on here for quite sometime and when I was thinking of "upgrading" to a 6.2 from my 6.4 diesel I used the info on this site quite a bit during my research. I bought the 6.2 new in December 2012 but just got my new sled built and delivered in order to use the truck for towing the first time.
Great tip on the manual mode. It did downshift earlier than I would have done in the manual mode so I will give it a go. I just figured if the engine lugged too much it would autoshift into a lower gear automatically anyway to keep the engine from stalling.