so you replaced the front axle u joints? mine was making the same noise whether going left or right and that was my problem. replaced them and no more noise for me.
l_---l_l__l---[ ]llllll[ ] '93 XJ 4-Door
.(o)_)-__(o)_)--o-)_)__3" RC lift, 31" General Grabber AT2's, Diamond plate, Cragar D-windows, Airaid CAI, Dynomax Cat-back, Skyjacker SS, System loud enough to cover all the noises