Recently purchased a 2000 CCSB with the 5.7 with 200,000mi on it. Right after I got it I did the cap, rotor, plugs, wires, pcv, cleaned the maf sensor, volant cai, it also has a helix power tower, oil change. It's got 3.73 gears and a 4L80 in it running stock tires. It was still a gutless fuel...