Larger circumference tires better mileage?
I am wondering if this could be true. I ordered my dually with the 4.10 rear axle for more power pulling the heavy 5th wheel. At 70 mph I'm over 2000rpm. Now that I'm getting a TC I don't need that mu...
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I ordered my dually with 3.55 differential for fuel savings and setting CC at 60 mpg on last 10 fills. what was 99% with 6500lb camper- my average is 12.3 mpg.
My trucks pulls 18,000 lb sets on 5% grades without downshifting.
Compare to what you have.
Aerodynamics are pretty tricky subject. Typical myth that lowered tailgate increase mpg was busted by Myth Busters.
Still they used 1 model of pickup and on different model it can be other way around.
Still if aerodynamics would play big role on the road, we would see more of those aerodynamics semi-trailers. I observe them on the roads and only few are using foldable tail wings.
Evidently not enough difference to go into hassle.
My trucks pulls 18,000 lb sets on 5% grades without downshifting.
Compare to what you have.
Aerodynamics are pretty tricky subject. Typical myth that lowered tailgate increase mpg was busted by Myth Busters.
Still they used 1 model of pickup and on different model it can be other way around.
Still if aerodynamics would play big role on the road, we would see more of those aerodynamics semi-trailers. I observe them on the roads and only few are using foldable tail wings.
Evidently not enough difference to go into hassle.
