First off, I thought the beauty of those kits was that the fasteners all came in separate bags with labels? My deluxe interior kit from Ames came that way. So did my ARP bolt kit for my 455 and my SS bolt front end bolt kit from Totally Stainless.
Without that my best suggestion would be the 1973 Illustrated Parts diagrams that describe the diameter and length of fasteners:
The front and rear bumper sections would be the best place to start. The front sheet metal diagram not so much. Now you have an even bigger puzzle to work out!
2012 Mustang Boss 302 #1918, Competition Orange. FGF replacement 2006 Mustang V6 Pony, Vista Blue. Factory ordered. 2019 BMW X3 (Titled to the wife, but I'm always driving it for her. So I'm claiming it) Old projects, gone but not forgotten: 1967 FB 400, original CA car. After 22 years of work, trashed by the guy who was supposed to paint it. I had to sell it. 1980 Turbo Trans Am 1970 Mustang fastback, 351C 4Bbl, auto 1988 Mustang GT, 5 speed 1983 F-150 4x4, built 302 1994 Chevy K2500 HD 4x4, 454 TBI
