Best tune for fuel economy

[sammydafish]

I just picked up a 2000 E350 with the 7.3 powerstroke. I'm looking for the best tune I can get for fuel economy. I will fabricate a turbo back exhaust shortly. I'm not sure what other fuel economy mods are worthwhile. I will be towing a trailer about 6k lbs. I also run a biodiesel mix right now for winter time and B100 in the warmer months.

I see a lot of these tuners have displays that will work as a trip computer showing instant and average fuel economy. I'd prefer something like that.

What gets the best results?

Thanks!!

[bruce51d]

If you're looking for fuel economy out of a tuner you're looking in the wrong places. Drive sensibly and keep up on maintenance and it will help more than anything

[sammydafish]

There have got to be good economy tunes out there. I get 60mpg from my Volkswagen after tuning and other mods. I don't expect that out of the van, but if I can get a few more mpg out of a work truck it will pay off in the long run.

[jesilvas]

If you get a chip and drive it easy, you can get better mileage.
Contact one of the custom tuners like Beans, Swamps, Tony Wildman, PHP, DP, etc. and tell them what you want out of it and what you use the truck for. They'll help you out.

[bruce51d]

do you make your own fuel? bio always gets less mpg

[ttyR2]

Various posts seem to indicate running one of the higher HP tunes gives better mileage because you're not on the throttle as hard. Just what I've read in a number of posts on this forum.

[dentexpowerstroke]

ya ive just messed around to test it and cruising down the highway i get better mileage out of my 120hp race then my 80dd but the 120hp heats up alot quicker so i try to not use it

[Funkmaxtor]

I noticed that I get better mileage on my street race mode compared to the daily driver and economy tune, if (and this is the tough part) I can keep my foot out of it. When driving with that kind of power it can be tough to drive "economically". But higher tunes can save fuel if you are disciplined enough.

[Cio77m]

I took a trip out to dayton ohio about a year ago. (started from philly area) there and back i averaged out to 22mpg, all highway. I have an afe stage 1 intake, bladerunner intake manifold, 5" turbo back, guages, oil rail crossover kit, quadzilla x2 chip and the royal purple treatment.