Here's a thing i wrote on the LST forum,it's about one-ways but much of the same princple applies.it's a long post.Basically it'll give more steering in certain condtions and it'll kill the wheeles.
http://www.lstcentral.com/modules.ph...er=asc&start=0
i lost interest in that thread when the guy said this:"Since the load factor is not that much since it's EP":005:
truggy f/r diffs would be better,it'd let you use a smaller spur that'd fit lower between the rails without grinding on them or raising the diff as much or running low rpms.Alternatively,you can run a diff in the e-maxx tranny like Mike does.