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3rd Gen Ram Tech2002-2008 Rams: This section is for TECHNICAL discussions only, that involve the 2002 through 2008 Rams Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
The limited case is a lot squarer than the open carrier close to where the bearing caps go (so there is room for the clutch packs to fit).......while the open carrier tapers down.......hard to describe. I'll find some pics.
As for handling in the snow, often an open differential will perform just as well if not better in snow than a LSD or locker.
What? Maybe in that Georgia snow of yours, but up here a limited slip or locker beats an open diff hands down.
The ONLY benefit to an open diff is that the *** end doesn't kick out when spinning, but any competent driver can control a vehicle with a limited slip.