Quote:
Originally Posted by James Lamb
My '89 Suburban came with the 3.42 diff. It's fine. I have towed with mine - 5-6000 lbs, no issues. I think a 4:10 in these trucks is overkill unless you 4 x 4 frequently doing rock crawling. In which case you could just use 4Lo. I'm sure it will help your rpms/fuel economy.
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Meh, I've got 4.56 gears in mine with a 4l80e and 285/16 tires, runs sweet down the road and pulling a trailer is a breeze. mine is however a converted to 1 ton. 1/2 ton, stock tires you're correct, drive and enjoy. Occasional towing with the 700r is a little rough on the trans with any amount of substantial weight