check this out for track widths of a few cars. maybe find something close.
http://www.crankshaftcoalition.com/w...l_measurements
the pirate 4x4 site has a few things to check as well. they have write ups on the ls engine too. building tips for this and that, lots of good info.
http://www.pirate4x4.com/tech/bible/index.html
here is another 4x4 site that may have some info on track widths of more common diffs/cars
http://www.fourwheeler.com/how-to/tr...rd-axle-guide/
here is a chart from the hamb
https://www.jalopyjournal.com/forum/...-chart.302774/
the ford 8.8 is also a diff to look at. they are pretty strong as well. the ranger station site has a bunch of info on those
have fun, keep us posted. pics are the best.
http://www.therangerstation.com/?s=8.8+diff