I think Lui's 68 had stock upper/lower CA's. I don't think he did anything special to make them fit, just proper measure of backspace and possibly rolling the lips on the 1/4's in the rear. But he may not have done that. Sandro would know. Here are some photo's of the local rides with 20" ralleys.
http://s34.photobucket.com/albums/d1...nds%20Camaros/
