For a Chief axle, I would need to take off a bit more than 4" to get it centered correctly. I am still considering out boarding but it would only get me stability and driveshaft room, not bad traits for a future street/trail and everyday driver rig.
I have decided that I would eventually put a diesel in it. My truck ('05 Ram 2500, 4x4, 5.9L Cummins, G56, Thunder Road Edition) and my wife's car (VW TDI Jetta Sport Wagon, manual) are diesel. I am looking at a 4BT, and stock axles would handle it but one could argue that it's not a bad option to upgrade with the work going into it. We have sandy swamps here and if I wanted to rock crawl, I'm driving it there and back (LOL, not likely).
Thanks again for the posted info.