re: 1/2 ton diesel engines

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Bow does the 3.0 compare with the 5.3 in towing capacity?

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In the new 2022 models, the 3.0 is rated at 13,000 lbs (4x4) and the 5.3 is rated 11,000 (4x4).

The only gear option given was 3.23. Maybe that will change in the future. I would have gotten a 3.55 if it was available.

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How about with that tuner and intake? I am intrigued.

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I was looking at S&B cold air intake ($349) and an Ag/Diesel Solutions tuner ($445). They are both supposed to add a mile or two in fuel mileage. The tuner claims to add 45 hp. The intake is supposed to give a small gain in horsepower. The tuner is in-line, and does not flash the ECM.

Banks is supposed to be coming out with a tuner, also. I think it will probably be a little pricier.

In the end, the way I looked at it was that I'd get a 75% (without mods) to 100% (with mods) increase in fuel mileage (I get 14.9 mpg in my F-150 with a 5.0 gasser) for a 10% increase in fuel cost. After the dealership's free oil changes for the new truck, the cost of maintenance (oil changes, DEF, etc.) isn't much more for the diesel if you DIY.