MPG change with lift.
#1
#7
You don't need a lift. That tire and wheel size were an option for your truck when it was new. I have the 275/55/20s on my 2014 SCrew, it came from the factory with them. Yes, lifting the truck will decrease fuel mileage as there is far more wind resistance. The higher the worse the fuel mileage. With a 6" lift I would expect to see a 2-4 hiway mpg drop.
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#8
#9
Ive got the same, 2010 f150 supercrew with the 5.4L, 6.5ft bed, 6in bds lift, 18in rims with 35x12.50 m/t's, it's also an fx4 with 3.73 gears. I've had it 7yrs since brand new with the same setup and get around 11.5 mpg city. I just got back from a 2k road trip from va to mi and back, and was running 65 to 75mph towing a light jet ski and was getting a tad over 13mpg (this includes mountain terrain). For what it's worth I do have a backflip, although I doubt it helps. I also have a light bar with lights out front that probably screws aerodynamics. Ive only put 32k miles on it in the 7 years so I'm ok with it. Another note, I do not think my Speedo was corrected for tire size, so I may actually be making slightly better mpg given I actually travel slightly further than the odometer reading, if I'm reading into it right.
Last edited by ruffn-it; 08-12-2016 at 08:32 PM.
#10
My truck is only leveled 1-1/2 inches in the front using Bilstein shocks. By using P rated 33" lightweight Toyo's I'm still able to get close to 20 mpg hwy and 16-17 mpg in town. Not too bad for a heavy truck in my opinion!
Can't really tell much difference from stock height as far as mileage goes.
Can't really tell much difference from stock height as far as mileage goes.