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Old 03-16-2013, 11:01 AM   #127
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Robert,
My calculations of the F150 computer mpg are done by entering the computer mpg at each fill up into a spreadsheet and resetting the F150 computer at that time. I have a feeling this calculation in my spreadsheet should be weighted for miles traveled or gallons used but I do not know how to do this.
The mpg for my manual calculation is simple, total miles/total gallons.
When i am in for my next service I will ask the shop about adjusting the F150 computer.
Phil
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Old 03-16-2013, 11:23 AM   #128
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The DIY option I am using with our Burb, worth it if you keep the TV for 12 plus like us.

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Old 03-16-2013, 11:43 AM   #129
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I had 10 to 11 MPG in my old Dodge 1500 with a 360 when I towed both Airstreams. Strangely enough the mileage stayed about the same (if not slightly worse) when I was solo. I am looking forward to seeing the difference I get this spring when I use my new truck with the diesel for the first time.

I agree 100% with the comment that it hard to go back from a diesel once you have had one. My daily driver has been a diesel vehicle for so long that Heather has become jealous and wants her primary vehicle to be diesel as well...
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Old 03-17-2013, 11:36 PM   #130
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Am starting to get better averages for our setup. With a 20 MPH headwind, we still managed 14.6 MPG on a 200 mile trip, at around 62-65 MPH.

In fair conditions with light winds, on slightly hilly terrain, we got 17.1 MPG, also staying a bit under 65 MPH.

Been quite happy as a first time diesel buyer.
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Old 03-18-2013, 09:53 AM   #131
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Quote:
Originally Posted by Whizzo View Post
Am starting to get better averages for our setup. With a 20 MPH headwind, we still managed 14.6 MPG on a 200 mile trip, at around 62-65 MPH.

In fair conditions with light winds, on slightly hilly terrain, we got 17.1 MPG, also staying a bit under 65 MPH.

Been quite happy as a first time diesel buyer.
Hmmm....that's about what I get with my Ridgeline.
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Old 03-19-2013, 04:38 AM   #132
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Quote:
Originally Posted by Whizzo View Post
Am starting to get better averages for our setup. With a 20 MPH headwind, we still managed 14.6 MPG on a 200 mile trip, at around 62-65 MPH.

In fair conditions with light winds, on slightly hilly terrain, we got 17.1 MPG, also staying a bit under 65 MPH.

Been quite happy as a first time diesel buyer.
Whizzo, those are pretty good numbers! What is your TV setup? I see your hauling a 22 Sport...
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Old 03-19-2013, 10:40 AM   #133
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Whizzo, those are pretty good numbers! What is your TV setup? I see your hauling a 22 Sport...
Thanks, we've been happy with the setup. It's a medium-sized SUV, a German turbo-diesel built in South Carolina. The motor is rated 265 HP and 425 lb-ft, and BMW quotes a max Class III tow rating of 6000 lbs.

Ahab and I have the same trailer, and he also likes to point out how a Honda pickup can pull it better with the same mileage!
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Old 03-19-2013, 01:05 PM   #134
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Quote:
Originally Posted by Whizzo View Post

Thanks, we've been happy with the setup. It's a medium-sized SUV, a German turbo-diesel built in South Carolina. The motor is rated 265 HP and 425 lb-ft, and BMW quotes a max Class III tow rating of 6000 lbs.
Is it the X5? I have driven a few (not towing and unfortunately not diesel) and the ride is quite nice If the power is anything like the 3 or 5 series "D"s, it must be quite nifty!
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Old 03-19-2013, 01:49 PM   #135
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El Camino, you've probably figured out by now that the choice of diesel versus gas has a lot more consideration than just mileage. I've towed the same trailer, (1997 Safari 25'), with a Chevrolet 1500 gas, and a Chevrolet 2500 diesel. There is no comparison what-so-ever when it comes to ease of towing, (especially in the mountains), and piece of mind with all the available power that the diesel has waiting for you to tap into when needed.
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Old 03-19-2013, 03:57 PM   #136
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Iv also learned something else. It depends on what diesel your talkin about too lol. I somewhat recently purchased a '89 F-250 with the 7.3L IDI diesel engine. What it lacks in power, it gains in nostalgia lol
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Old 03-20-2013, 09:42 AM   #137
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Originally Posted by Whizzo View Post
Thanks, we've been happy with the setup. It's a medium-sized SUV, a German turbo-diesel built in South Carolina. The motor is rated 265 HP and 425 lb-ft, and BMW quotes a max Class III tow rating of 6000 lbs.

Ahab and I have the same trailer, and he also likes to point out how a Honda pickup can pull it better with the same mileage!
I beg your pardon but I never said it pulls better only that I get about the same mileage. But then my fuel cost is less.
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Old 03-20-2013, 07:53 PM   #138
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I am sure the ecoboost 29 mpg is a typo.
Agreed. I have monitored this for some time considering what everyone is looking for, mpg. My thought of the ecoboost is that it is a great technology; however, it is panning out to be about 2mpg better city and highway than my engine, Ford's economical choice pre-ecoboost. I have solid averaged figures on my engine driving in town and highway not pulling using hand calculation at the pump of 14/21. It is rated 15/20 per window sticker. The ecoboost gets about 16/23 as per many owners on the F150 forum. One difference though is that I need to stay around 65mpg to get my figure. They report getting 23 at 70mph. That could be due to power difference since they share the same body, tranny and rear (some cases)

Towing the ecoboost gets very similar as well, about 1-2mpg better- worse if you spin up too often. I bought one of those Bully Dog devices and got 15 in town this week but I cannot stand the economy mode programming. The truck runs awful for the extra 1 mpg. I will try using it towing this week. The towing group on F150 is eying the 3.55 rear as the better choice for towing with the eco. I believe that the new tranny will really add mpg to the engine due in a few years.

I like to hear the 17.5mpg or so that the TDI gets. As a now previous VW 2010 Sportwagen TDI owner, I can appreciate the diesel; however, one issue is that the cost difference is not clearly 5mpg (from the normal 12mpg average@65) as in my area diesel is $0.44/gal more. So while at every 1000 miles it would be $66 more to operate using gas ($3.59 vs $4.03/gal diesel/gas); considering the mpg/cost, the difference would be more like 3mpg. That takes a while to offset the initial cost difference of diesel versus gas engine options. Yes, it gets better mileage but at what cost?

Not trying to take the wind out of the sails but there is much more that needs to be done for tow vehicles and mpg for sure as nearly all the options are similar OR have similar cost outcomes. The larger diesel trucks are primarily designed for power/weight not as much economy as they end up with similar mpg ratings as the smaller gas 1/2 ton using mpg/fuel cost. The best anyone can do now is pick the rig that meets the requirement as closely as possible without overkill. More choices please!
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Old 03-31-2013, 02:33 PM   #139
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3rd update:

600 mile trip. Mostly flat land (Florida) last week

f150 4.6L 3V, 6speed, 3.55:1 regular gas 25' Safari

hand calculated at pumps---13mpg average towing @average of 62mph

(speed average only calculated by Bully Dog monitor)

The truck MPG average indicated 14mpg. The Bully Dog, 13.4. The hand calculation came to 13.1. So, this continues to agree with my earlier calculations.
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Old 04-01-2013, 08:39 PM   #140
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Great mileage Rod. Your towing economy can't be beat by most diesels. Only small diesels the size of Sprinters could beat the towing operational costs you're reporting on this trip, but the diesel's capital costs are probably two times higher.
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