05 6.0L w/6" lift and 37's MPG??

[nbaker]

For those running this combo or similar what are ya'll getting mileage wise? this is a used truck with exhaust, and intake mods. I'm unsure if the has a tuner or not.

[Rob]

i have that exact combo of lift and tires, i have managed to get 20 MPG on the freeway with a custom tuned SCT econo setting. not too sure on the city mileage..

[charlesrf600]

wow 20 really the best I have ever got with this combo is 15 now this is without a tuner and 373 gears. I really average about 13-14 combo highway city driving.

[mudrunninpig]

I get 15 with custom tunes and 4.10 gears

[nbaker]

Is 17mpg a realistic possibility on the interstate? If I can do that I'm going to try and buy this truck.

I could also drop down to 35's once the 37's wear out...

[Dave]

With proper tuning yes its realistic

[bigd4x4]

Right after my lift and tires I was only getting 11. After a regear to 410's, I'm getting 13. This is highway and unloaded.

[deviusdragger]

with my banks tuner I was averaging 17 or 18 mpg's, now with my custom tuned sct I'm pushing about 15 or 14 highway.

[kinghawg98]

realistic if you dont go 75...thats the only way.

Tried innovatives econo, it makes the truck run horribly, spartan shifts weirdly and DJ's seems to work well, but not 17mpg on the hwy. maybe just over 16

[DunesRunner08]

i get -13 mpg's on 40's....so how are you guys getting the same on 35's and 37's? I figured that 18 or so was reasonable for smaller tires....I have a Superchips Cortex programmer, Rolling Big Power TB exhaust and an AirAid Intake