I just put lockout hubs on my '78 that has fulltime 4wd. The transfer case in it is nearly impossible to shift into anything, I've only gotten into 4-lo once, and never into 4-hi loc or 4-lo loc. What part time cases will work for me? Or could mine be worth saving and putting a part time kit on it? I have an auto tranny, and I want to be able to have real 2wd.