Whether or not it's worth it depends upon you. Can't see it from here and you gave very minimal info other than the problems. Typically one in decent shape will fetch $6k+. From the firewall back to the just behind the door openings, the body panels are the same as a CJ-7 or YJ. The Scrambler specific panels can be had from an Omix-Ada dealer or Classic Enterprises (CE has the better grade stuff). Pop on over to www.cj-8.com
'86 CJ-7 Laredo: 4.2,T-999,D300,D30/D44,'94 YJ tub, full cage, Shrockworks rockers, OYR corners, AC,cruise,restored seats,3 tops,2.5" Superlift,F-T shackle reversal, RS9000x's,35" Dunlop Mud Rovers.
'83 Scrambler: time & money pit under construction with parts from CJ's,YJ's,TJ's,FSJ's,GM,Ford,IH,Honda,Toyota and a whole lotta aftermarket & custom stuff.