what to tune for gas mileage??? - Ford Powerstroke Diesel Forum

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post #1 of 17 Old 06-16-2011, 07:43 AM Thread Starter
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what to tune for gas mileage???

Hello all, I purchased my 2003 truck last summer and then of course did my research (ooops). I'm currently getting around 17 mpgs and with diesel being well over $4 a gallon I'd like better. My problem is I've read quite a bit about tuning these 6.0's up and then blowing them up! I know there are TONS of tuners, modules, chips etc. But what can I do to it to make it reliable and more efficient. More power would be great, but I'm not too concerned about that, reliability and efficiency is what I want. Without spending a fortune of course.

Thanks in advance, Patrick...
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post #2 of 17 Old 06-16-2011, 10:07 AM
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Gotta be careful with tuners on stock trucks.. 17mpg is better than most of the truck I have been in. SCT is the best product for 6.0L. Maybe im off base with the mpg, thats just what Ive seen. I see about 13-15mpg
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post #3 of 17 Old 06-16-2011, 10:08 AM
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post #4 of 17 Old 06-16-2011, 11:37 AM
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Quote:
Originally Posted by plpwheeler View Post
Hello all, I purchased my 2003 truck last summer and then of course did my research (ooops). I'm currently getting around 17 mpgs and with diesel being well over $4 a gallon I'd like better. My problem is I've read quite a bit about tuning these 6.0's up and then blowing them up! I know there are TONS of tuners, modules, chips etc. But what can I do to it to make it reliable and more efficient. More power would be great, but I'm not too concerned about that, reliability and efficiency is what I want. Without spending a fortune of course.

Thanks in advance, Patrick...
17mpg is pretty darn good. I am at 13-14mpg range with 50/50 mix of highway and city. I am in the 15-16mpg when only doing highway.

I have a stock truck for the most part, and just got MKM econonmy tune on the SCTx3 and have seen an immeidate 1.5-2mpg improvement on mileage. Still wouldn't touch what your getting w/o buying any tunes.
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post #5 of 17 Old 06-16-2011, 11:49 AM
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Is that 17 highway only or mixed? When trying to get good mileage on my 2003, I get about 21.6 straight highway. Around town it's down to 15

- Karl
2003 F-250 Crew Cab Short Bed Lariat PSD 6.0 Automatic FX4 Edge Insight with EGT Probe. Coolant Filter. All 6.0's need gauges
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post #6 of 17 Old 06-16-2011, 12:11 PM
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Unfortunately, that is probably the best your going to do. You MAY see an increase of 1 or 2 MPG's with a tune. However, I wouldn't count on it. These trucks just aren't made for fuel mileage. The best I ever saw was 19mpg's, but I averaged around 16.

If you really want good fuel mileage, find yourself a small diesel car. My 2002 VW gets around 48-51mpg
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post #7 of 17 Old 06-16-2011, 12:14 PM
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On my FX4 I used to get around 15. I'm now getting 18. That's about as good as you're going to do on a stock 6.0.

Best tune for mileage on a 6.0 is to recalibrate your right foot. You need to get on the accelerator every now and then to loosen up the turbo, but that only needs to happen every so often, not every stop sign.

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post #8 of 17 Old 06-16-2011, 12:57 PM
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Quote:
Originally Posted by War Eagle B View Post
Best tune for mileage on a 6.0 is to recalibrate your right foot. You need to get on the accelerator every now and then to loosen up the turbo, but that only needs to happen every so often, not every stop sign.
oh maybe thats why I get such crappy mileage, my right foot needs recalibrated. My 03 f350 has only been averaging about 12-13

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post #9 of 17 Old 06-16-2011, 01:09 PM
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Quote:
Originally Posted by War Eagle B View Post
You need to get on the accelerator every now and then to loosen up the turbo, but that only needs to happen every so often, not every stop sign.
Hmmm..... Not every stop sign?
So that's what I am doing wrong!

Shawn


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post #10 of 17 Old 06-16-2011, 01:14 PM
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[QUOTE=Best tune for mileage on a 6.0 is to recalibrate your right foot. You need to get on the accelerator every now and then to loosen up the turbo, but that only needs to happen every so often, not every stop sign.[/QUOTE]

I prefer the every stop sign method, though good mileage would be great,but... I didnt buy a 1 ton truck for efficiency



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