I had the same problem. I had been using a very poor battery that was almost flat all of the time. All battery connections turned out to be in good order, worried about the engine begining to seize...
Doesn't matter if you are in 2 wheel or 4 wheel drive, pavement or dirt. Wheel hop is what happens when the traction of the tires exceeds the forward progress of the truck. If you start hopping you...
Blazers of this year (up through 2001) have known tork convertor problems. if you need a very temporary solution (as in to get it to a mechanic) unattach the negative end of the battery, wait a few...