Howdy fellow truckers. Found this site after following a link from another site about tires. I have a '98 Chev. (GMT400) K1500 Z71 with a little over 200k on the clock that I got this past Jan. with a 5.7 running 3.42 gears and G80 with a 4L60E and NP1. Don't know what the demographics of this...