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Old 10-16-2013, 01:55 AM   #31
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2010 XLT, 5.4, 4x4,3:55 rear end I average about 15 mpg city driving , light foot. Also have a 1.5" level with the stock size tires.

I averaged 19.8 mpg on the trip I took to Branson,MO about 2 months ago and that was at 65-68 mph.

Edit: I had me and 3 others and luggage on this trip.
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Old 10-16-2013, 07:20 AM   #32
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2009 F150 5.4 with 3.55 rear end. I get 18-19 mpg with cai and borla exhaust. I had the pcm flashed with a new strategy and seems like a different truck. I have 305/30/26 tires. Im currently waiting on new tunes from Mike at 5star tuning. I suggest to use marvel mystery oil in a few tanks or seafoam with quality 87 octane. That should help out some.
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Old 10-16-2013, 09:23 AM   #33
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Quote:
Originally Posted by McCarthy View Post
This is a pickup truck, not a Prius. Stop worrying to much about MPG.
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Definitely agree that it does, but at same time I don't think he'll see too much of a difference over the life of tires for it to be a cost efficient decision in long run.

In the end, its a big truck, not going to get great gas mileage lol
First @McCarthy It must be nice to not have to think about things. But I see a problem. So I'm Addressing it, after I found out if I have the right tire size in the trucks computer then I can get a more accurate reading of my mileage. I'm not looking for some Super Huge Gains just simple ones hell a mile a galloon is a lot. So yes it's a Prius, it's my truck I'm taking Alaska and Gas is more expensive up there. So i want to make sure I getting a good Bang for my Buck. Did I lose you anywhere?

Second @mikeyfitz I agree to also. I know the biggest difference is my foot and trying to do some hypermileage. But one step at a time and see if my tire size is the problem, well not being correct in the computer.
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Old 10-16-2013, 09:54 AM   #34
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I just looked up something its a Flex Fuel E85 vehicle. the PDF i just looked at http://assets.forddirect.fordvehicle...B9E84927B9.pdf say its only suppose to get 10 city and 13 highway.

interesting...
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Old 10-16-2013, 10:09 AM   #35
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Quote:
Royderjd - I just looked up something its a Flex Fuel E85 vehicle. the PDF i just looked at http://assets.forddirect.fordvehicle...B9E84927B9.pdf say its only suppose to get 10 city and 13 highway. interesting...
For your particular EPA estimates consult your window sticker.

Don't have one? ...
Code:
http://fordlabels.webview.biz/webviewhybrid/WindowSticker.aspx?vin=<addVINhere>
.
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Old 10-16-2013, 10:19 AM   #36
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Originally Posted by gDMJoe View Post
For your particular EPA estimates consult your window sticker.

Don't have one? ...
Code:
http://fordlabels.webview.biz/webviewhybrid/WindowSticker.aspx?vin=<addVINhere>
.

http://fordlabels.webview.biz/webvie...FW1EV2AKA74917>

that makes me feel alittle better
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Old 10-16-2013, 11:30 AM   #37
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Old 10-16-2013, 01:18 PM   #38
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Why don't you hand calculate your mpg, and see what you are really getting and eliminate the computer from the equation...
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Old 10-16-2013, 01:36 PM   #39
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I get 15.5 mpg with a 50/50 mix of city/highway. Truck is all stock. See the link in my sig for details.
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Old 10-16-2013, 01:45 PM   #40
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Quote:
Originally Posted by Royderjd View Post
I just looked up something its a Flex Fuel E85 vehicle. the PDF i just looked at http://assets.forddirect.fordvehicle...B9E84927B9.pdf say its only suppose to get 10 city and 13 highway.

interesting...
That's most likely running E85. It gets less mpg than standard gas. But...10 to 13 = 11.5 avg, so that may be standard gas. I still feel that's low. If I can get 12 with a lift and 35's/3.55 gears.....
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