11 mpg yippee! - Ford Powerstroke Diesel Forum
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post #1 of 14 Old 04-26-2010, 07:03 PM Thread Starter
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11 mpg yippee!

Somebody help! What can I do to improve fuel economy that won't screw me out of my warranty? I heard there were some chips out there that are warranty friendly, is this true? I know this questions been asked a hundred times before but it's my turn say it again. Please.
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post #2 of 14 Old 04-26-2010, 07:16 PM
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Trade it in for a 2011.

2013 F-350 Platinum
35" Toyo Mud Terrains on stock HD rims
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post #3 of 14 Old 04-26-2010, 07:25 PM
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pretty much as stated above...........youll have to pick warranty or mileage
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post #4 of 14 Old 04-26-2010, 07:52 PM
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What truck do you have and what gearing? I thought most were getting 13-14 factory, but maybe that's just 3.55 and 3.73 gearing?
Not that 13-14 is that great, but more acceptable I guess....
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post #5 of 14 Old 04-26-2010, 08:01 PM Thread Starter
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Ya that's what I was expecting 13-14 would be acceptable. I don't have a computer right now so my profile cannot be updated with cool pics etc. I have an 08 F250 king ranch highway gears no major modifications accept for Piaa lights on a kc lightbar and pretty much all options you can think of.
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post #6 of 14 Old 04-27-2010, 07:56 AM
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Drive slower. Simple answer, but by far the most effective. When I keep my engine RPM under 2000, I jump from 13 MPG to between 18-20. I've gotten as good as 22, hand calculated, over the course of 540 miles by keeping my cruise at 65mph. This isn't the answer anybody wants to hear, but it's the only one that can double your fuel mileage.

2011 F350 Lariat SRW Crew Cab Long Bed 4x4 6.7 H&S Mini Maxx DPF Delete EGR Delete running 265/70/19.5's

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Chevy comercials are like OBAMA, ALL B.S. over promise and under deliver
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This stuff isn't as simple as tuning your TiVo to record your Jerry Springer re-runs while your out cruising Wal-mart parking lot for transexual hookers.
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post #7 of 14 Old 04-27-2010, 08:41 AM
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Are you using the what the computer (lie-o-meter) says to check your mileage, or are you checking your mileage the old fashioned way? The computer will not tell you the truth, the actual mileage is likely better then the computer readout.
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post #8 of 14 Old 04-27-2010, 08:47 AM
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Like stated above,,choose,,warranty or mileage,,that seems to be the only options I've seen...lol...sad but true.

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post #9 of 14 Old 04-27-2010, 11:04 AM
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Are you using the what the computer (lie-o-meter) says to check your mileage, or are you checking your mileage the old fashioned way? The computer will not tell you the truth, the actual mileage is likely better then the computer readout.
Hand calculated at first shut off on the pump. I don't know if my engine is abnormal or not. I have 3.73 gears, manual tranny, and 275/70-18's.

2011 F350 Lariat SRW Crew Cab Long Bed 4x4 6.7 H&S Mini Maxx DPF Delete EGR Delete running 265/70/19.5's

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Chevy comercials are like OBAMA, ALL B.S. over promise and under deliver
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This stuff isn't as simple as tuning your TiVo to record your Jerry Springer re-runs while your out cruising Wal-mart parking lot for transexual hookers.
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post #10 of 14 Old 04-27-2010, 11:15 AM
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I am not jumping on the '11 bandwagon just yet. It is still very new, and hasn't yet proven itself to be a reliable powertrain. There are always some first geneation bugs to work out IMO.

Traded.. 03 6.0 PSD For.. Black F250 2008 SD LARIAT 6.4 PSD 4x4, Aries Bull Bar, Westin chrome running bars, Dura Liner, B&W Gooseneck hitch, Recon smoked taillights, Icon 4.5" lift, 35" Toyo M/T, etc... Running Spartan Tunes AFE PG 7, Flo Pro 4" DP Back, thanks to Cobb's Diesel. It has been great so far.




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So all that work and you're keeping the trash can of doom on the exhaust?

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