The last truck I had with rear drums was a Nissan Hardbody V6. Wore out multiple set of brake shoes and ruined a couple of sets of drums as a result of muddy conditions. Only real difference between rear drums and discs, is that once the mud gets into the drums, it stays there. At least with discs, they self clean a little easier. Witness the fact that pretty much all of the Side by Sides out there use discs on all four wheels.
