Apparently this guy from the NastyZ28 site found a bunch of build sheets for 1970 and 1972 Norwood Camaro's. He has them listed by VIN.
http://www.nastyz28.com/buildsh.html
http://home.fuse.net/jbprather/70bsheet.htm
Maybe someone is lucky enough to find thier car on the list. I was not.