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Old 11-22-2014, 11:59 AM   #1
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Location: Texas
Posts: 95
Pulling with a F150 V6 3.5 ECO

If anyone is pulling with a Ford F150 V6 3.5 EcoBoost I would be interested in your MPG. I have a 2504s and am getting 9.5 to 10 MPG on flat roads in East Texas. I ordered a K&N intake system that I hope will help but any other tips you may have would be interesting. Thanks in advance for your time to read and or reply.

Charlie C
2012 Ford F-150
2015 Rockwood 2504S
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Old 11-22-2014, 12:09 PM   #2
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That's about average for any 1500 gas engine towing.

2006 Roo 23B hybrid

1999 Chevy Silverado Ext cab 4.8L with tow package
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Old 11-22-2014, 01:47 PM   #3
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I have a 2012 Ford Ecoboost towing Flagstaff Vlite 30WKFSS. MPG avg is around 9 -10 at approx. 65 MPH on relatively flat ground. At 55 MPH and below MPG will increase to around 11 to 12. In mountains (Smokies) mpg will drop to around 8 to 9.
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Old 11-22-2014, 02:06 PM   #4
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Thats what I get in rolling hills in Ontario. Pulling 9500 lbs behind plus us and a small dog in the truck.
B and B
2013 Rockwood 8289 Diamond Edition
GY D's/2.5 inch lift kit/Powerhouse 4 KW EFI Generator
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Old 11-22-2014, 03:04 PM   #5
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Location: St. Paul, Minnesota
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It's all about elevation changes, wind speed and direction, and especially your towing speed. The only one you can affect is towing speed.

We've done two 3,000 mile plus towing trips pulling a 25ft 5,500lb RV trailer. We averaged 11 mpg on both trips. Towing speed is 60 mph. Towing at speeds faster than 60 mph will dramatically reduce your mileage.

I don't believe that the K&N or other mods will do much, if anything, for your mileage. And the cost for the mod vs the payout will be disappointing to you unless you are doing the mods for other reasons.
2012 F150 FX4 Ecoboost, 2016 Surveyor 274BHS
2003 Yamaha FJR1300, Demco Premiere Slider
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Old 11-22-2014, 04:21 PM   #6
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We did 10,500 miles from Florida to Oregon and back pulling a 27 ft, 7,500 pound toyhauler driving highway speed of 60-63 mph through every condition you could imagine. Overall trip average was about 10.5 mpg. The Ecoboost pulled great but gas milage was just ok. Our friend went with us and pulled similar set up with his F150 with 5.4. Gas milage was similar but on many pulls he was at 3,500 rpm while I was between 2,000 and 2,400 rpm.
Mark and Joanne
2014 Fun Finder XT 276
2015 Ford F150 Lariat 3.5 Ecoboost 4X4 SCrew Max Tow
2011 Harley Road Glide Ultra
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Old 11-22-2014, 06:22 PM   #7
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Location: Central, Fl.
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I avg between 9.5 and 10.5 mpg with the Truck and TT listed in my signature. All flat lands of Florida and South Ga.
2012 Ford F-150 Ecoboost, Screw, H/D, 3.73
1930 lbs CCC
2010 Flagstaff 26 RLSS (Sold 05/16)
2014 Jeep Rubicon JK
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Old 11-22-2014, 07:07 PM   #8
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I pull a 9500 lb 5th wheel through a combination of flat land and mountains on a 6000 mile and a 3000 mile trip. I drive mostly at 55 mph. I average 11 to 12 MPG.
Terry and Carol
Daytona Beach, FL
2013 F150 XLT, SuperCab, Ecoboost
2010 Rockwood 8285WS
Nights camped:
2014 - 57; 2015 - 91; 2016 - 171
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Old 11-23-2014, 09:33 AM   #9
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Location: Texas
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Thanks to all of you for sharing.
Charlie C
2012 Ford F-150
2015 Rockwood 2504S
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Old 11-23-2014, 09:52 AM   #10
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Posts: 647
About the same as everyone else when hauling the 5'r. Save your money on the K & N if your intent is to impact fuel mileage when hauling a house on wheels. Spring for premium fuel and that will help but it won't make up the difference in terms of cost.

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