it is simply a Ford 8" open-diff - 28 spline.
it will be one of the next things we tackle - adding a torsen - once I'm finished tuning on the supercharger (which is taking a long time).
what is your basis for stating that?
Here is a great article on the LS -> it was a great attempt of making a truely leading car for the $$$
http://www.atomicfrog.com/mirrors/www.blue...powertrains.htm