IMO, 2500 rpm is good pulling up long hills. 2000 is okay cruising the flats, less than that if not pulling a trailer. Just watch your egts if you have a tune.
2000 F250 XLT 4x4 SC 7.3 w/Auto Tranny w/ TC L/U Sw & shift kit, 3 autometer gages, Super Zoodad, PHP Hydra chip, 4" DP/Exhaust w/dual 3.5" outlets, 275/70/18 Kumho AT51s on 8.5" rims, 08 AlumDiffCvr, Bilsteins, 31 row trans cooler, WW, BPV delete, AIH delete, hutch, harpoon and billet FPR (70psi), trans cooler bypass delete by accident, rear air bags, Jimmijammers.
Jayco 26BHS elite, no RV parks...just the woods if possible.
See my album for a recent pic.