OK, I need some quality brake discs. So far all the china crap I've gotten do nothing but warp. Discs use to outlast pads on my truck. Now I have to turn them several times during the winter.

 

Hmm, well I'm pretty sure they are all made in china!! I would check your rear brakes, make sure they are working good. You shouldn't have a problem, maybe adjust your driving style a little. I have autozone rotors on 3 of my first gens with 0 issues..

 

NAPA rotors are awesome

put a set on the last 91 we had, "Justramit" has it now

 

Make sure your calipers aren't sticking.....

Make sure the rims are right for the truck, too (don't ask me how I know to check that......lol)

 

Make sure you use the extra thick rotors for a one ton.
The thinner 3/4 ton rotors will warp, as will turned down heavy duty ones.