getting the most mpg - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 17 (permalink) Old 02-17-2009, 05:57 AM Thread Starter
brandon
 
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getting the most mpg

i have had several diesels but never chipped or modified them. I have an 02 f250 with the wonderful 7.3. I would not mind the hp but mostly looking for fuel economy. Any suggestions? Chips, programmers, exaust, intake. any insight i would appreciate
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post #2 of 17 (permalink) Old 02-17-2009, 07:24 AM
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Re: getting the most mpg

Your right foot.Its free and you don't have to recover any expenses.


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post #3 of 17 (permalink) Old 02-17-2009, 12:51 PM
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Re: getting the most mpg

Yeah, but that can only do so much...

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post #4 of 17 (permalink) Old 02-17-2009, 01:01 PM
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Re: getting the most mpg

Chip/programmer, intake and exhaust will help. BUT then you really have to control the foot, because the new found power is too fun. Ideally on the highway, stay under 2k rpm. That is the "Sweet spot" for cruising. I have gotten up to 23 on my early 99 at about 1700 rpm for several hundred miles with cruise set. On my early 99 1700 was about 62mph. I can't do that. On my 03 its slower yet, since I have 4.10 gears. Really, you and the jackrabbit starts,late stops, ect... have the single most impact on your economy. (Not saying you do that, but you get the point I hope) There is no "MAGIC" thing out there that will let you drive like you normally do, and get huge increases in mileage. (the economy is there if you want it,,,, by changing your driving style)

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post #5 of 17 (permalink) Old 02-17-2009, 01:24 PM
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Re: getting the most mpg

There's a whole section in the forums about MPG, search through some of Dave Whitmer's posts as he's done quite a bit to his truck to try to increase mileage with little concern for performance...

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post #6 of 17 (permalink) Old 02-17-2009, 05:51 PM
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Re: getting the most mpg

Yep... X2 on the mileage section. However, he will disagree on the intake, exhaust, and chip.

Dan
96 Powerstroke: 6637, downpipe to dump exhaust, 140v IDM and a shift kit.

84 Honda Sabre V65 1100: pipes, jet kit and new tires. Faster than I think I'll ever need.
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post #7 of 17 (permalink) Old 02-17-2009, 09:55 PM Thread Starter
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Re: getting the most mpg

thanks for the suggestions, by the way, i don't have a lead foot.
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post #8 of 17 (permalink) Old 02-17-2009, 10:17 PM
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Re: getting the most mpg

Quote:
Originally Posted by secondarychaos View Post
Yep... X2 on the mileage section. However, he will disagree on the intake, exhaust, and chip.
Mainly because if you are only driving for mileage, the stock intake and exhaust flows enough air. It doesn't become a restriction until you mash that pedal closer to the floor. Under very light and easy driving, intake and exhaust upgrades actually aren't needed.

As for the chip, Dave is running some tuning now.... he found that single shots do increase mileage slightly.

Curtis
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Gambling with 250/200's on PMR's.
478hp/851tq on Haller's dyno - 7/28/12
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post #9 of 17 (permalink) Old 02-17-2009, 10:19 PM
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Re: getting the most mpg

When i'm reffering to the chip, i'm talking about TW, DP, PHP, Swamps, DI, ETC.

Dan
96 Powerstroke: 6637, downpipe to dump exhaust, 140v IDM and a shift kit.

84 Honda Sabre V65 1100: pipes, jet kit and new tires. Faster than I think I'll ever need.
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post #10 of 17 (permalink) Old 02-17-2009, 10:52 PM
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Re: getting the most mpg

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Originally Posted by secondarychaos View Post
When i'm reffering to the chip, i'm talking about TW, DP, PHP, Swamps, DI, ETC.
Oh I know Don't worry, I wasn't trying to start anything. Just saying that Dave finally broke down and is running some tuning now.

With any chip or programmer, mileage gains are always debatable. That's pretty much a never ending argument In the end, it's all up to the right foot, chip or no chip. Only with a chip, you have the "potential" to get worse mileage, simply due to the fun factor.

Curtis
2002 F-250 PSD
Gambling with 250/200's on PMR's.
478hp/851tq on Haller's dyno - 7/28/12
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