Thares is [or at least was] a good bit of 9" rear info posted at:
http://www.mustangsandmore.com/ubb/F...imensions.html
I've got several articles on the many and varied different 9" rears from Street Rodder and Rodder's Digest mags that I believe duplicates much of the info that is posted at this site. I might be able to dig out anything that's not on the website.
Dan