Is 10mpg possible?
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Freshman User
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Is 10mpg possible?
I have a 2010 F-350 6.4l ps cc drw 3.73 that im using to tow a 48ft enclosed gooseneck race trailer with 1ft extra height and is square as a box. With the trailer empty im figuring im at about 16k-17k lbs. My boost sits 20psi depending on the wind at about 55-60 mph and am getting 6.5-7.2mpg(hand calculated). Now when fully loaded to go racing im guessing ill be right around the GCWR of the truck at 23,500lbs, now is it possible to get near 10mpg with what I have described? If I dont have enough information let me know any help would be appreciated. I have a picture of my setup but I dont know how or if I can upload from my phone.
Thanks Scott
Thanks Scott
Posting Guru
Joined: Sep 2010
Posts: 2,213
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From: The Woodlands, TX
Just to clarify... You're getting 6-7mpg towing an empty trailer and you want to get 10mpg towing it fully loaded?
Fully loaded or not, if you want to go from 7 to 10 mpg, you're talking a 45-50% increase in fuel economy. I'm sure you could do a combination of things to potentially get 1-2mpg's but I think you're asking for a lot.
Can you put a v-nose on the trailer? Synthetic fluids in your truck? Delete the DPF,DOC,EGRs? Add intake?
What type/size tires? 4x4? Standard? Auto?
Fully loaded or not, if you want to go from 7 to 10 mpg, you're talking a 45-50% increase in fuel economy. I'm sure you could do a combination of things to potentially get 1-2mpg's but I think you're asking for a lot.
Can you put a v-nose on the trailer? Synthetic fluids in your truck? Delete the DPF,DOC,EGRs? Add intake?
What type/size tires? 4x4? Standard? Auto?
Super Moderator
Joined: Aug 2003
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From: Isanti, MN
The biggest thing that you can do for your fuel economy has to do with your driving habits. I have no idea how you drive or anything, but if you slow down to 55 or 60 MPH, coast to stops, and remember that each time you touch either pedal you're burning fuel you can improve by as much as 25%.
Postmaster
Joined: Nov 2006
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From: SE Wyoming
10mpg at 24K I don't think so, I am in the 8mpg range at that weight but do still have the DPF and EGR so deleting them should help a little. Your empty mileage seems a little low but not by much because of the resistance.
Easiest way to do pics is upload them to photobucket then link. PB app will do the uploading to their site automatically from your phone.
This was my worst mileage to date and about 24K GCVW, mileage was under 8 but it was in regen the whole time:
Easiest way to do pics is upload them to photobucket then link. PB app will do the uploading to their site automatically from your phone.
This was my worst mileage to date and about 24K GCVW, mileage was under 8 but it was in regen the whole time:
Posting Guru
Joined: Jun 2007
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From: Henderson, NV
I have a 2010 F-350 6.4l ps cc drw 3.73 that im using to tow a 48ft enclosed gooseneck race trailer with 1ft extra height and is square as a box. With the trailer empty im figuring im at about 16k-17k lbs. My boost sits 20psi depending on the wind at about 55-60 mph and am getting 6.5-7.2mpg(hand calculated). Now when fully loaded to go racing im guessing ill be right around the GCWR of the truck at 23,500lbs, now is it possible to get near 10mpg with what I have described? If I dont have enough information let me know any help would be appreciated. I have a picture of my setup but I dont know how or if I can upload from my phone.
Thanks Scott
Thanks Scott
Senior User
Joined: Dec 2004
Posts: 171
Likes: 0
From: Las Vegas, NV
I have a 2005 F-350 DRW Crew cab and tow a 44' gooseneck racecar trailer. The two bestthings I did for fuel mileage so far is I put a wing on the truck and that helped some, but the best thing for mileage was I built a deck on the bed to stand on from the cab to just in front of the gooseneck hitch and I picked up an extra 75 miles to the tankful
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First off thanks for the replies. I should have said id love to see 10mpg loaded but would easily settle for 8-8.5 consistantly. To answer some of your questions no v-nose, its a automatic 4x4 bone stock other then the hitch and I drive like a grandma roll into it slowly and give myself plenty of space to stop(no sense in beating on the truck). I have found I get my best mileage at "highway" speeds around 58-62mph(dont go ove this speed unless im going down hill) and the rpm are at or just below 1750 at that speed. Im on my computer now and im including a picture of the truck and trailer so you can see what im dealing with. Thanks again
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Super Moderator
Joined: Aug 2008
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From: Frederick, MD
I don't think you can get much better without the delete and even then not that much difference.
I am in the 7-9 range pulling my 5er. The wind takes its toll.
I am in the 7-9 range pulling my 5er. The wind takes its toll.
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Joined: Nov 2001
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From: Georgia
Before I deleted my dpf I was in the 8 to 9 MPG range with a lot of runs in hard conditions (monutains or wind or even hilly) in that 6.5 to 7.5 range. I deleted with a very mild (+ 35 HP) tune and hand calculated 10+ on 6 different trips. All 6 trips were on pretty easy terrain so I expect when I get back in the mountains I'll drop off some.
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Freshman User
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I have a 2005 F-350 DRW Crew cab and tow a 44' gooseneck racecar trailer. The two bestthings I did for fuel mileage so far is I put a wing on the truck and that helped some, but the best thing for mileage was I built a deck on the bed to stand on from the cab to just in front of the gooseneck hitch and I picked up an extra 75 miles to the tankful
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Freshman User
Joined: May 2011
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Before I deleted my dpf I was in the 8 to 9 MPG range with a lot of runs in hard conditions (monutains or wind or even hilly) in that 6.5 to 7.5 range. I deleted with a very mild (+ 35 HP) tune and hand calculated 10+ on 6 different trips. All 6 trips were on pretty easy terrain so I expect when I get back in the mountains I'll drop off some.
Thanks again to everyone for the replies
Logistics Pro
Joined: Nov 2001
Posts: 3,788
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From: Georgia
Is the mileage you are or even were seeing because of the 4.30 rear end? What is your mileage without the trailer before and after the delete? Because with the trailer in your picture those seem like pretty stellar numbers to me.
Thanks again to everyone for the replies
Thanks again to everyone for the replies
Super Moderator
Joined: Aug 2003
Posts: 25,479
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From: Isanti, MN
I'm assuming your trailer is about 8,000 lbs, Truck should be about 8500 putting you around weight mentioned above. 7.5 seems very low at that weight. At 26,000-30,000 gvw I'm around 7.5-8.5. At 16,000gvw I'm around 12 no problem running 65. Empty you should get your 10-12 depend how you drive, loaded it's not gonna happen.
Of course the inverse is true around town because of slower speeds and the stop and go.
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