I swapped in a rear D44 from a Scout--very straightforward. Also swapped in a front D44 from a Wagoneer, and had to do more fabbing and ran into way more issues. Went from narrow trac CJ to about 58", so I gained quite a bit. I wanted more stability and strength, and I'm glad I did it.
*'81.5 CJ7, D300, T-5, 258ci, 4" BDS lift, 33 's on 15x10 Bajas, Narrowed Waggy D44 Front, Scout D44 rear w/ARB locker, Not-so-Painless Wiring Harness, Warn 8274, Borla Headers, MC2100 carb, Shrockworks sliders, KC's, Full cage
*RIP: '88 Comanche Chief, stock except for KC lights on rollbar and custom stereo.