Boy, that's a tough one, since he last CJ was made over 21 years ago. I'd suggest that you try searching on Google for outfits that carry out-of-date automotive lierature.

If you want an aftermarket service manual, several publishers still print them. Where are you locaed?

1977 CJ-7, fiberglass body, AMC 360 w/ headers, DUI ignition, Edelbrock intake and Holley 4150 carb, TF999, Dana 300, 4.56 gears lockers, York air comp, 4" susp lift, 2" body lift, BFG 35" M-T tires, Megashifter, AGR pump & box, REP8000 winch.