There are pictures showing the 2.78 + 3.08 centers as compared to the rest here Adam
http://gallery.oldholden.com/HQ_SS/Tech/Diffs/
Also pictures showing the Salisbury disc brake axles verse the std axles.
Pictures showing the internals of a Salisbury LSD and a Borg warner LSD and a open wheeler banjo.
Pictures of a few of the large Salisbury housings etc.
Oz if you ever want to use any of my pictures I have spread around the net feel free to do so.
Cheers Paul.