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Old 04-30-2015, 10:21 AM   #15
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Originally Posted by BambiTex View Post
Empty mpg is pretty good for a 4x4. What is your axle ratio?
2013 F150 4x4 supercrew
145" wheelbase
Eocboost 3.5L V6 engine
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Driving around town I get about 17mpg. On the interstate from Florida to GA at 70mph I avg 20 to 21 mpg in the warm weather. I do notice I get less mileage in cold weather. 40,000 miles on truck to date.
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Old 04-30-2015, 10:26 AM   #16
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Intersting. I thought the mpg would be noticably higher. I get nearly that with my 5.0 V8.

We have a tendency to get numbed to the raw numbers because we always think MPG.

So (Chev 2500 6.0 gas vs. Duramax for my experience and example)

6.0l = 9.5mpg
Duramax = 12.5mpg

Doesn't sound like a lot, but it is a 31.5% increase with diesel.
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Old 04-30-2015, 11:33 AM   #17
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Originally Posted by dznf0g View Post
We have a tendency to get numbed to the raw numbers because we always think MPG.

So (Chev 2500 6.0 gas vs. Duramax for my experience and example)

6.0l = 9.5mpg
Duramax = 12.5mpg

Doesn't sound like a lot, but it is a 31.5% increase with diesel.
This is all true, but now factor in the cost difference during what I see on these forums is about 2 years before people get bored with their ride and just have to change.


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Old 04-30-2015, 11:39 AM   #18
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Air bags would have no effect on scale weight. All they can possibly do is level the trailer with the truck.
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Old 04-30-2015, 11:43 AM   #19
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Quote:
Originally Posted by dznf0g View Post
We have a tendency to get numbed to the raw numbers because we always think MPG.

So (Chev 2500 6.0 gas vs. Duramax for my experience and example)

6.0l = 9.5mpg
Duramax = 12.5mpg

Doesn't sound like a lot, but it is a 31.5% increase with diesel.
Excellent point. To further confuse the matter, the 6.0 only needs 87 octane.

Today's national average for 87 is $2.58 and diesel is $2.81. That's 9% difference. Add for DEF and you are probably looking at a 10-11% offset for fuel costs, making the 31.5% MPG difference more like 20%.

If you needed premium in a gas truck (Ford Ecoboost, Silverado 6.2L), that's $2.97 today. All of a sudden that 31.5% jumps to the mid 30's.
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Old 04-30-2015, 12:40 PM   #20
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DEF-
It isn't that big of a cost. It is $2.69/gal from the truck stop. My truck gets about 1,000 mpg of DEF. So that is about .00269 cents per mile.

You can read about my RAM 1500 EcoDiesel here.

My fuelly is here.
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Old 04-30-2015, 01:17 PM   #21
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In my mind it is not just the fuel cost difference that one needs to take into consideration... One also needs to consider that the diesel costs about 12,000 more when purchasing. Also an oil change will run you about 200.00 per change.
Finally, one needs to remember that injectors will need to be changed out every 150,000 km. The cost for that here in Canada is 9,000.00 (I know I just did it) So as you can see, the operational costs of Diesel can really be substantial compared to gas and at the end of the day you better plan on putting many hundred's of thousands of miles on an engine if you ever hope to make it pay.
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Old 04-30-2015, 01:37 PM   #22
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In my mind it is not just the fuel cost difference that one needs to take into consideration... One also needs to consider that the diesel costs about 12,000 more when purchasing. Also an oil change will run you about 200.00 per change.
Finally, one needs to remember that injectors will need to be changed out every 150,000 km. The cost for that here in Canada is 9,000.00 (I know I just did it) So as you can see, the operational costs of Diesel can really be substantial compared to gas and at the end of the day you better plan on putting many hundred's of thousands of miles on an engine if you ever hope to make it pay.
The cost difference in the ECO Diesel here is about $3500 over the V-8. Oil change for diesel here is $99.00
A larger diesel is probably more like you described.
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Old 04-30-2015, 03:31 PM   #23
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I hate to say it, but Nissan is nailing a missing segment with their upcoming truck. 310 HP with 555 lb-ft of torque. Payload likely over 2000 lbs.
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Old 04-30-2015, 08:18 PM   #24
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I hate to say it, but Nissan is nailing a missing segment with their upcoming truck. 310 HP with 555 lb-ft of torque. Payload likely over 2000 lbs.
Maybe. Depends how the fuel economy is vs the 3/4T Cummins, Duramax and Powerstroke.

It doesn't help that the truck itself is, shall I say, less than appealing.
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Old 04-30-2015, 08:26 PM   #25
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Maybe. Depends how the fuel economy is vs the 3/4T Cummins, Duramax and Powerstroke.

It doesn't help that the truck itself is, shall I say, less than appealing.
That's true. But the 555 lb-ft of torque is right in the sweet spot for a larger Airstream. The 750-850 lb-ft of today's 3/4 tons is really overkill for a 8,000-10,000 lb trailer. And the 6.0-6.4 L gassers are seemingly underpowered and certainly inefficient.

My assumption is that the fuel economy will be between the Ram Ecodiesel and today's bigger diesels.
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Old 04-30-2015, 09:50 PM   #26
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We have a 2014 EcoDiesel and a 28 foot International behind it. We are in it all of the time and move about 2x per month (not Jan/Feb/Mar however). We get in the 30s on highway driving (even up to 40 sometimes). Regular town and country driving is about 24- 26. When we tow, we get between 18 and 22 unless its all uphill, of course. We have airbags on the rear which have made a big difference in our scale numbers. Have not had any issues with the truck itself which we purchased in May 2014. Lastly, we really l like the truck.

If your truck is getting 18- 22 mpg towing a 28ft International you should have it bronzed and put in the Ford Museum
How are u calculating your fuel mileage???
Something is wrong here.........


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Old 04-30-2015, 09:53 PM   #27
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If your truck is getting 18- 22 mpg towing a 28ft International you should have it bronzed and put in the Ford Museum
How are u calculating your fuel mileage???
Something is wrong here.........


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He is referring to the Ram Ecodiesel not the Ford EcoBoost
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Old 04-30-2015, 10:06 PM   #28
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Yup, and that does seem oddly high, considering Top's detailed thread, where he claimed he got 16MPG, and he keeps detailed records on Fully, so I'm a believer.

http://www.airforums.com/forums/f463...ml#post1586735
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