Originally Posted by
SlowerOne
In the end, the man will forget more about diffs than most of us will ever know - Dave Irrgang of IRS - used to have a diff build guide that said only put enough grease on to smear the balls with a thin layer. Also, he only sells a light silicone grease as a diff lube - if he thought there was something better he would sell it.
Not quite a guide but good info none the less:
http://www.teamirsrc.com/techtips.html