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Deleted member 9101
Guest
The exception is Ford's 7.3 gas engine which is powerful but extremely thirsty when loaded with a cabover.and some tires that won't let it sink offroad.
While it's not going to win any awards for fuel economy....the 7.3 gasser is 10k cheaper to buy than the 6.7, the oil changes are over 1/2 the price of a 6.7, maintenance is less, repairs are less, insurance is less, and in many places the fuel cost less. The 7.3 is an "old school" design managed by modern electronics. It's the best of both worlds, which is why they can't keep them on the lot...lol.