Who makes the best limited slip differential? I have an 89 fullsize blazer with 33 inch tires and 4.10 gears and do mild off-roading (no extreme wheeling). For the time being I can only afford the rear diff with the 4.10 gears but won't be using 4 wheel drive until I can save up the cash for the front diff(it still has the 3.73 gears). I'm having my rearend rebuilt right now and would like some input on which limited slip would be best. I'm looking for dependability, something quite, and can be rebuilt.