heater/blower bo will have to be slaughtered or removed, tie rod notches or no-notch tie rods, abs and over flow will have to be relocated as well. i did the right hand drive on mine or id post up pics, and i only had 18"s. a few threads i found........
http://www.s10forum.com/forum/f199/how-to-relocating-under-hood-for-removing-inner-fenders-167769/ http://
www.s10forum.com/forum/f125/bagging-it-with-20s-292889/