i drove one of them on my little vacation to the sandbox. i had one of the wrench monkeys turn up my normal truck a bunch. it smoked a little already before he turned it up, but after he did, it was a smoke screen when you really got after it. but it hauled. bumped my accel and responding time up a alot. 70+ no prob., but you ran outta gear
but beware. we were escorting the fuelers and one threw a rawd, or something. cant recall, but they were the new fmtv tractors, and uparmored, so... anyway, i got tasked with towing the dead pig back to taji, and lets just say i kept up just fine. but after we dumped them off, she never ran the same again. in fact, it all but killed my poor rig. this was before i knew anything really aboot egts.
those big tires help alot on poopy roads, especially when youre not the one paying the fuel bill