I agree the V10 is an excellent engine. We had that engine in a 1999 F350 towing this Montana. The PSD I have does a better job, particularly uphill at serious altitude. The newer V10 has still more hp and torque so may do even better than mine did. In any case, it's an outstanding engine. As for fuel, we consistently get 40% better fuel mileage with this diesel than we did with the V10. That's both towing and solo. Until diesel prices are 40% higher than gas, I'll continue to feel it's cost effective. However, with the availability of some terrific gas engines for towing I don't think fuel efficiency should be the only factor. There are other factors one should consider before determining which is better for them. Richfaa did just that and for him the V10 is best. When we were working and the truck was my daily driver and the nearest diesel station was 3 miles in the wrong direction, the V10 made more sense for us. Now, the diesel fits us best.
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