Will be getting the diff back today. Rebuild internals, blasted, painted, new bearings and seals and bolts.
When pulled apart, the bearing cap bolts were a mix of hi tensile, standard and drilled for safety wiring. The 5 bolts are also used to secure the bearing caps and caliper brackets, the rear two for the aftermarket wilwoods, and the front three for the factory jag caliper. As these factory ones have been junked i may use these for a custom mount for an ebrake caliper (yet to be confirmed).
Anyway, new bolts obtained and drilled to safety wire. Possibly an overkill, but whilst I have it all out its east to do.
Next update will be starting to re-assemble rear.