What is the difference in a 66-67 El Camino quarter and a 64-65 quarter? Is it only in the taillight area or are the body lines different? I cannot find a drivers side for my 65 but everyone seems to have them for the 66-67 cars.

Try the following link. It might help.

http://store.shermanparts.com/cgi-bin/sherman/product_list.html?img_num=705

Good luck.