This is not my site, but seen this in another post. Very good pictures for locations and mounting. I plan to follow this guide exactly.

http://picasaweb.google.com/gv50chevy/1950ChevySeatBeltLocation#


1950 Chevy 3100 Blog w/Pics - http://txchevy50.blogspot.com/
Goal: Clean, Rebuild, Paint, & Drive on a budget. Major restore of components will be done over time.