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03-01-2008, 11:51 PM
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MPG gains
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What kind of gains can be had with an intake and exhaust for a F150 Fx4 S. Crew? Looks like right now the my truck is getting 13.5mpg around town driving 'granny' style + it's brand new
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03-02-2008, 11:24 AM
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Senior Member
2010 Ford F-150
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Join Date: Nov 2006
Location: Killeen, TX
Vehicle: 2010 Ford F150
Posts: 460
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Give it a few thouseand miles, itll break in and the mileage will get better. I have an 07 FX4 and get 15-16 in the city.
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03-02-2008, 10:26 PM
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save your money for gas.
I when about this the same way you are. got a CAI and edge evolution. pretty much the same mileage. maybe 2 more mpg's on the highway if you set the cruise under 70mph.
I can say the truck is WAY more fun to drive. but the mileage remains the same or even worse in town....
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03-02-2008, 10:49 PM
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Global Moderator &
Senior Member
Garage is empty, add now
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Join Date: Aug 2005
Location: DFW
Vehicle: two 2003 F-150s
Posts: 16,924
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best gains ive seen from my mods are from Efans about 1mpg, and Jmod 1mpg highway
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03-03-2008, 01:24 PM
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What is this Jmod you speak off?
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03-03-2008, 05:07 PM
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yes what is a jmod? 
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03-03-2008, 05:10 PM
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Quote:
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Originally Posted by JasonFX4
Give it a few thouseand miles, itll break in and the mileage will get better. I have an 07 FX4 and get 15-16 in the city.
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Wish I could get 15 to 16. Guess my right foot is a little heavier than yours. My '07 with 14K, 3.73s is lucky to get 12.5 this winter. May be the colder climate but I don't think you guys have been too warm this winter either.
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03-03-2008, 06:05 PM
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Senior Member
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Join Date: Jul 2005
Location: E.C. Wisconsin
Vehicle: 2007 F-150 KING RANCH
Posts: 1,263
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Quote:
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Originally Posted by Footee
Wish I could get 15 to 16. Guess my right foot is a little heavier than yours. My '07 with 14K, 3.73s is lucky to get 12.5 this winter. May be the colder climate but I don't think you guys have been too warm this winter either.
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Must be nice. I can't get above 10 this winter. The winter blend along with the mandated 87 10% ethanol is crap..
__________________
HMFIC'S 07 F-150 SUPERCREW KING RANCH 4X4
Mods: BFG AT KO 305/65/18, 2" Autospring leveling kit, Skyjacker Add-A-Leaf, Edge Evolution Programmer, Access Tonneau cover, EZ-Down Tailgate Shock, Lund In-Channel Ventvisors, Spray in Bedliner, WeatherTech Floorliners
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03-03-2008, 06:11 PM
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Quote:
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Originally Posted by hmfic
Must be nice. I can't get above 10 this winter. The winter blend along with the mandated 87 10% ethanol is crap..
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Isn't it always 10%? 
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03-03-2008, 06:29 PM
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LOL!! Stupid 10%. I'm about to start running the E85 again but I can't justify driving 10 miles out of my way to get it. I'm not even sure how much it is anymore. When I tried it last summer, it actually ended up costing me a penny more a mile when I figured it all up. Read an article in the paper today that if we have another drought here in the midwest, corn production will be down causing yet another hike in gas prices. I can't wait!!!
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03-03-2008, 06:55 PM
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Senior Member
Garage is empty, add now
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Join Date: Jul 2005
Location: E.C. Wisconsin
Vehicle: 2007 F-150 KING RANCH
Posts: 1,263
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Quote:
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Originally Posted by Shinesintx
Isn't it always 10%? |
For a lot of us, but I believe that some states don't get the ethanol blend in the 87, unless they get 89 octane.
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03-03-2008, 09:22 PM
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here in Illinois pretty much any gas station: 87 ethanol free, but the 89 is 10%. I get better mileage with the 87.
footee, I had the same problem. what size tires are you running? come to find out my speedo was calibrated for 255/70/17's and the truck has 265/70/17's on it. I had no idea cause I purchased the truck used.
when I got my edge progammer I figured out that issue and wabam! I was at 14-15mpg vs the 12-13.
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03-03-2008, 09:36 PM
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Quote:
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Originally Posted by 04Supercrew150
here in Illinois pretty much any gas station: 87 ethanol free, but the 89 is 10%. I get better mileage with the 87.
footee, I had the same problem. what size tires are you running? come to find out my speedo was calibrated for 255/70/17's and the truck has 265/70/17's on it. I had no idea cause I purchased the truck used.
when I got my edge progammer I figured out that issue and wabam! I was at 14-15mpg vs the 12-13.
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I still have the stock wheels and tires on it. I sure as hell hope it is calibrated right since I did built it. Well, my collegues and I at the Kansas City Assembly Plant. Maybe I'm partially mistaken on the ethanol content in the gas here. I was under the impression that all unleaded gas, nation wide, was changed to 10% ethanol as of Jan. 1. I know there is a sign at the Wal-Mart station that states, "may contain up to 10% ethanol." It doesn't specify which octane. Others around here have noticed MPG losses, too, so I thought it had to do with the ethanol. I'll fill up with E85 on the next couple of tanks and see what the outcome is and keep everyone posted on my findings.
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03-04-2008, 01:38 PM
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Senior Member
2007 Ford F-150
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Join Date: May 2006
Location: Irving, Texas
Vehicle: 2007 Ford F-150
Posts: 132
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I ran two tanks of E85 through my truck in December 2007. I felt that I had a little less power (seat of the pants feel!) and I defiantly got worse mileage. My mpg went from 16.2 to 13.3.
__________________
2007 F-150 XL Super cab 6.5 box
5.4 Auto, 3.55 LS, Towing Package
Cruise control and 35.7 Gallon Gas Tank
Undercover Tonneau Cover
Magnaflow 12288. Duals-behind pass rear tire
Troyer tuned
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