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Upgrades and Aftermarket - 6.0L Engine Upgrading or adding OEM or aftermarket equipment to your 2003-Up Super Duty or Excursion with 6.0L Power Stroke diesel engine. Please confine discussion of topics in this forum to those items that are specific to the 6.0L Power Stroke engine.

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Old 03-12-2008, 04:21 PM   #1 (permalink)
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Best programmer for fuel economy

My 2005 King Ranch, stock 6.0 engine has never lacked the power that I needed, even when carrying my slide in camper. What I am looking for is a programmmer that will help my fuel economy, especially since the new ULS diesel seems to have robbed me of 1 mpg. It would be nice to be able to program for different size tires as well, but not required. Any thoughts and if you have an opinion can I hear what I can expect to add to my fuel economy.
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Old 03-12-2008, 04:28 PM   #2 (permalink)
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Can't help out with a programmer, however thats a nice looking King Ranch!
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Old 03-12-2008, 05:02 PM   #3 (permalink)
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Can't help out with a programmer, however thats a nice looking King Ranch!
Thanks, its hard to make out the longhorns on the front though.
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Old 03-12-2008, 06:29 PM   #4 (permalink)
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Id say about 90 percent of people on here will say an SCT with a custom economy tune.
However, those same people will say tune for power, not economy, as greater economy depends purely upon how you drive the vehicle.
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Old 03-12-2008, 07:19 PM   #5 (permalink)
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Originally Posted by FarmF350 View Post
Id say about 90 percent of people on here will say an SCT with a custom economy tune.
However, those same people will say tune for power, not economy, as greater economy depends purely upon how you drive the vehicle.
Actually a proper program will determine how much fuel and for how long is burned, and that does not depend purely on how you drive. I have 2 diesels rated at 1350hp each and they have fuel economy modes , just like they have mods that will burn fuel like its going out of style.
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Old 03-12-2008, 10:40 PM   #6 (permalink)
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I will be one of those who say dont mod for economy. I did and got nothing out of it. mod for power only, you want economy, go buy a car! I dont regret buying my SCT one bit though, the power is amazing and I get the same mileage as I did stock!
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Old 03-13-2008, 09:15 AM   #7 (permalink)
 
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We do have economy program available, that do work well.

However, if you drive a performance program normally, it should increase mileage. It will be most noticable on the highway, as idling and stop/go traffic can change mileage drastically.

Let us know if you have any questions.
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Old 03-13-2008, 11:02 AM   #8 (permalink)
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With the IDs extreme street I went from 16.5 empty on the freeway to 17.5 to 18.5 depending on how much I pass or fun I have. around town went from 13 to 14 and towing went from 10.5 to 12 or better. I do pass more and play more with the truck with the extreme program, so even with lots of fun I get better mileage with the extreme street program.
The only drawback is tire wear is worse with the SCT installed.
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Old 03-13-2008, 12:08 PM   #9 (permalink)
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SCT hands down is the way to go. You can get great fuel economy, even better than the economy program, with our StreetPlus or PerformancePro prgrams. The key is to keep your heavy foot off the pedal.
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Old 03-14-2008, 07:38 AM   #10 (permalink)
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Quote:
Originally Posted by InnovativeDiesel View Post
We do have economy program available, that do work well.

However, if you drive a performance program normally, it should increase mileage. It will be most noticable on the highway, as idling and stop/go traffic can change mileage drastically.

Let us know if you have any questions.
I would love an explanation as to how I can increase HP and improve fuel economy at the same time. It would seem that it takes energy(fuel) to create HP. All I can think is that the factory settings are way off and you reduce the fuel going to the injector but send it at a different time, otherwise it would seem impossible. If your performance program gets better economy than your economy program, why create an economy program? What exactly is it for then? I am extremely interested but I need an explanation, since it doesn't seem quite logical.
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Old 03-14-2008, 07:50 AM   #11 (permalink)
 
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A slight increase in timing will increase mileage. Timing is the most efficient way to create a more efficient combustion. It's the same as adding spark advance(timing) to a gas vehicle. That's exactly how economy programs are built for them also.

However, if you are running a performance program and you hammer the pedal all the time, your mileage will decrease. On our Economy program, the timing is similar to a performance program, but the fueling is decreased. You push the pedal down and the fuel just isn't there. Some customers like the best of both worlds, so that's where the performance comes into play.
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Old 03-14-2008, 12:18 PM   #12 (permalink)
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Quote:
Originally Posted by capterik View Post
I would love an explanation as to how I can increase HP and improve fuel economy at the same time. It would seem that it takes energy(fuel) to create HP. All I can think is that the factory settings are way off and you reduce the fuel going to the injector but send it at a different time, otherwise it would seem impossible. If your performance program gets better economy than your economy program, why create an economy program? What exactly is it for then? I am extremely interested but I need an explanation, since it doesn't seem quite logical.
Thanks,
Capt Erik
ID has the right of it with the timing info. Does the increase in timing also effect NOx output? I thought I had heard that a slight increase in timing could reduce NOx production?

Eric - those horns are destroying your aerodynamics. If you got rid of them you'd pick up 2 m/g at least

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Old 03-14-2008, 07:33 PM   #13 (permalink)
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Quote:
Originally Posted by OMCUSNR View Post
ID has the right of it with the timing info. Does the increase in timing also effect NOx output? I thought I had heard that a slight increase in timing could reduce NOx production?

Eric - those horns are destroying your aerodynamics. If you got rid of them you'd pick up 2 m/g at least

OMC
Well after installing the horns I did a trip from Florida to Arizona to pick up my camper and averaged 19.2 mpg all the way out , same as before mounting them. I think the way they break the wind counteracts any loss.
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Old 03-14-2008, 07:37 PM   #14 (permalink)
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Quote:
Originally Posted by InnovativeDiesel View Post
A slight increase in timing will increase mileage. Timing is the most efficient way to create a more efficient combustion. It's the same as adding spark advance(timing) to a gas vehicle. That's exactly how economy programs are built for them also.

However, if you are running a performance program and you hammer the pedal all the time, your mileage will decrease. On our Economy program, the timing is similar to a performance program, but the fueling is decreased. You push the pedal down and the fuel just isn't there. Some customers like the best of both worlds, so that's where the performance comes into play.
That is what I was thinking the programs would be doing, the other question is the program able to work on the fly or do you program, then run, and if you want to switch, stop and reprogram.
Thanks
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Old 03-17-2008, 09:22 AM   #15 (permalink)
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My experience

I have an '05 crew FX4 sb with 3.73 and 265/r70 /17 tires. The truck is stock. I purchased the SCT Xcalibrator in May of '07. I started out on the towing tune as I tow a 26" race car hauler (14k). My mileage was 12 to 13 in flats and 10 to 11 thru the southeast hills.

As fuel cost have risen dramatically, I switched the tune to the economy and changed my driving style. WOW! Empty, around town I get 19. On the freeway I get almost 24.

As stated in earlier posts, how you drive will dictate your mpg. I try not to exceed 6# of boost from a light and try to anticipate what's ahead. I try to stay at 1700 to 1800 rpms and try not be a traffic hazzard. Now when towing, trying to keep it at 10# is a job.

I suspect all brands of tuners (out of the box or custom) will get you the best of both worlds. So pick a dealer that will help you make your selection and help you out if there are any issues. My Xcal is not "on the fly". I expect there may be merit in those "on the fly" types of tuners.

Now I'm trying to determine if a better exhaust system and air intake will help the mileage in both tunes.
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