If you should decide to go with 01 steel tank I have a pump (brand new never installed) I'll sell ya. Listed here in the classified section with a number of other parts as well. 1 Delphi fuel pump (FG0070) with wire harness fits 97-02 w/steel tank. $50.00. No charge for shipping.
2001 CC LS, pewter, stock, 4.3,Wait4meperformance, CFM throttle blade, Helix throttle body spacer, 4spd auto, 3button electric 4x4 shift, heavy duty factory suspension, Bilsteins, 1" rear wheel spacers, skid plates.