I have a 725 with 350 and t98 but I have an NV4500 in the garage that will be put in something, if not the 725 then a 715, cause 55 mph at 3000 rpms aint no good on the highway. I need to do a spring over and put some 53s on it. 38.5s arent big enough then get rid of that noisy transfer case.