60 MPH = 15.5 MPG

[cstroke69cpy3]

with my dp my milage is the best on the 120 setting and not my economy setting.. i've gotten as high as 21 mpg hwy..

[7.3psdeez]

Stroker27,

How loud is you truck with cat/muffler delete?
I'm thinking about the delete to help improve MPG's.

[tims02ford]

Dp Tuner call jody at office-828-221-0076

[stroker27]

thanks tim, ill call later today.
7.3psdeez. it sounds pretty good... I dont know what to compare it too to give you an idea of how loud it is. I didn't see any real significant mileage gains when it was done

[tubular031]

I would try pulling the edge stuff out and run stock (man that hurts to say!) you should get about 17 or 18 if you are running at 65 ish.

[TurboSevenThree]

What the heck? My truck got 20. On the highway, 150 miles at 75 on cruise. Stock size tires...all 6.

[stroker27]

what? according to your sig. you dont HAVE a PSD. was it an older one that got that?
was that hand calculated or computer read?

[cocco78]

My truck is a 2000, auto, 4x4, ext cab, short bed, 4" lift, 315 bfg at's, and stock gears, aem intake and 5" exhaust. And figuring in for the mileage error for the larger tires I've gotten at best 20 mpg. I also have a diablo power programer that on the economy setting only drops my mileage by 2 mpg! So I never ever use it, unless i'm towing I set it on the tow mode and it seems to help mpg's.

But overall, driving at 55-65 mph on a 2 lane highway 100 mile round trip with only slowing down to 45 through a couple towns I can consistantly get 17 mpg during above freezing weather with fuel addative and ULSD. I drive 100 mile round trip to school twice a week. When its below freezing i'm lucky to 12mpg...

[bignasty250]

what rpm are yall at at 70? mine runs like 2000 or so. would it be better to ride a 60 @ 1500 or 70-75@ 2000?

[haulin99spd]

i have 99 f350, the best gains i've seen are 30.mpg. gotta flip chip(hot tunes)