Aloha from Hawaii. I have built a 67, 85, and had a 98 x-cab GMC, 98 Suburban, and a 93 x-cab Chevy Prerunner back in the day. Usually, I hang out on 67-72 forums but, sold all my C10s and currently looking for an OBS RCSB. GMT400 is the source for OBS info so, I figured I would jump on here...