Originally Posted by Counterfit
I'm curious as to why people keep saying open center. I know of no instance where an open center is of any use at all.
I don't know either. It very clearly says in the manual the center is a viscous LSD with a "hump-mode" where the plates couple if the center overheats and the diff, for all intents and purposes, locks. There's even an awesome torque coupling vs. heat (or load) graph!
And the rear for the 05-09 LGT is the standard viscous LSD, the front is open. I tested this a few weeks back in the snow storm and mine still works. O
Source: I DD an 06 LGT, spent four years of it in the snowy north.