The experience of getting better gas
milage with the 6.0 motor in the GMC as
opposed to the 4.8 in my Chev, makes me
wish I had bought the Chev with the 6.o
instead of the 4.8. Factor in the
added pulling power, makes it far
better. I highly reccomend getting the
6.0 in either model truck.
In one word, the motor.
It will be hard to improve, other than
add more cushion to the seats to
compensate for the harder ride in the