And never mind . Yes I have the books and the updated version,good news is it all ready had alto reds in it. Plus the steel drums but has the aluminum 4pin planetary in intermediate and reverse OD was steel 4pin.it was a 2wd tranny soon to be 4wd.NO it’s going in the 31 AA.i have a 92 F 250 idi xlt 4x4 that’s it’s for. Sorry for the dumb question just have read so much on doing this guess I just read over it and didn’t notice