Limited slip differential question

[Mixmastamunkh]

can someone tell me all the facts about the "viscous rear limited slip differential" how's it work/what's it do/ how does it compare to other LSD's

[brisknfade]

http://auto.howstuffworks.com/differential.htm

This will tell you pretty much all you need to know about differentials. The viscous part isnt totally about a rear diff, but its the same stuff really.