Which programmer is The best for fuel economy? - Ford Powerstroke Diesel Forum
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Old 02-21-2013, 06:31 PM
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Which programmer is The best for fuel economy?

Here's my story, I have a 2008 ford F-350 SuperDuty Dually, right now with the 140ltr tank I am hard pressed to get 500kms on a tank of fuel even driving 100km/hr! My truck has 430 gearing, I am wondering what is all your thoughts of which programmer is best for fuel economy?
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Old 02-22-2013, 11:05 AM
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A programmer isnt going to change much on fuel mileage. I would still get one and get rid of the dpf/doc and egr coolers. Spartan, H&S Race, or SCT Off Road would be your best choices on programmers. Spartan would be the easiest to find, then H&S and SCT. Look up Gear Vendor. That would help you the best, there is a weight rating though on how much to tow
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Old 02-23-2013, 10:22 AM
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Any tuner that deletes your DPF is going to help your mileage some, but with your 4.30 rear gears you aren't going to see a ton. Those gears are high. I think tuned (and as tunes go, the hotter the tune the better your mileage is going to be, as long as you can keep your foot out of the throttle) you will maybe see 1-3MPG increase. It might also benefit you a lot to get a GearVendors under/overdrive. I do not have first hand experience with these, but your goal needs to be to lower your RPMs as much as possible while cruising. (at 70 my truck is at 1800RPMs and I assume you are more like 2200).
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Old 02-24-2013, 09:44 AM
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H&S hands down..
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Old 02-24-2013, 01:49 PM
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Quote:
Originally Posted by Bellyboat View Post
H&S hands down..
Why hands down? Have you tried every single tuner with every single tune they have for a few thousand miles on each one on a controlled path so that you can control all the variables so that only the tune and/or tuner are the only changing variable?

Yes the H&S is a great tuner, and so are the Spartan tuners, and the customs tunes are great as well. I don't think you will be able to have a day to day noticeable difference in mileage from any tuner.

Getting good mileage is all about doing supporting mods, getting a high HP tune and keeping your foot out of the throttle.
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Old 02-24-2013, 02:03 PM
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I think the "best" is a hard thing to answer. The most popular is H&S and Spartan.
From what ive learned is you get what you pay for.
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Old 02-24-2013, 03:26 PM
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You got H&S, Spartan, and SCT w/ custom tunes as far as the better programmers. All of which run neck and neck. Just take your pick
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Old 02-24-2013, 04:41 PM
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With my newly aquired SCT I have picked up over 4mpg. I am still playing with it to find out what setting works best.
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Old 02-24-2013, 05:19 PM
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Is that hand calculated?
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Old 02-25-2013, 03:29 AM
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No, but the truck meter before said I was getting high 12's, it now says high 17's. That is actually more like 5, so I am being on the safe side and saying over 4. Either way it is way better than I was getting.
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