might be of some interest to some people, how to fit a mustand 8.8 irs diff, hundreds of ratio options, cheap lsd's, and will take the small ( compared to v8 twin turbo ) amount of power you'll get out of a cossie engine all day long.

http://www.key-ideas.com/DGKurTwo2-040604-8.8LSD.html

search for murkur xr4ti 8.8 and you'll find a few examples of the fitting.