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Open Roads Forum  >  Fifth-Wheels

 > 6.7 Diesel fuel mileage

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Cougarnewbie

Illinois

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Posted: 03/03/19 08:05am Link  |  Quote  |  Print  |  Notify Moderator

noteven wrote:

I like the new Ford 7.3. It has pushrods and doesn’t need to turn 6thousand eleventeen rpm to do the work. Burns gasohol.

Wonder how it would pull if it had a turbocharger?

Where did you get your info on the new 7.3? I didn't think they had announced anything?


May All Your On Ramps be Downhill


larry barnhart

wenatchee. wa usa

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Posted: 03/03/19 09:13am Link  |  Quote  |  Print  |  Notify Moderator

On the 7.3 gas ford and wanting a turbo. Don't buy the first model because the turbo will be out the next model year as an improved engine. I don't know anything but seems possible.

chevman


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neal10a

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Posted: 03/03/19 10:34am Link  |  Quote  |  Print  |  Notify Moderator

I suspect the 2011/13 6.7 get better fuel milage than the 2019. The newer diesels have more power and torque. HP/torque consume fuel. My 2012 6.7 gets 18/20 not towing and 11/12 towing a 16500 40ft 5th wheel at 62mph highway. If the DPF cleaning did not kick in it would do about .5mpg better.

Bionic Man

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Posted: 03/03/19 10:37am Link  |  Quote  |  Print  |  Notify Moderator

larry barnhart wrote:

On the 7.3 gas ford and wanting a turbo. Don't buy the first model because the turbo will be out the next model year as an improved engine. I don't know anything but seems possible.

chevman


I would be absolutely shocked if they added a turbo to the new 7.3. Talk about something that would get terrible fuel mileage.


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FishOnOne

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Posted: 03/04/19 06:07pm Link  |  Quote  |  Print  |  Notify Moderator

neal10a wrote:

I suspect the 2011/13 6.7 get better fuel milage than the 2019. The newer diesels have more power and torque. HP/torque consume fuel. My 2012 6.7 gets 18/20 not towing and 11/12 towing a 16500 40ft 5th wheel at 62mph highway. If the DPF cleaning did not kick in it would do about .5mpg better.


Actually there's been reports that owners of the '19 trucks getting better fuel economy than their previous year trucks.

I do agree that if it weren't for regens we would see ~.5mpg better fuel economy on the 6.7PSD.


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Travlingman

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Posted: 03/05/19 11:36am Link  |  Quote  |  Print  |  Notify Moderator

FishOnOne wrote:

neal10a wrote:

I suspect the 2011/13 6.7 get better fuel milage than the 2019. The newer diesels have more power and torque. HP/torque consume fuel. My 2012 6.7 gets 18/20 not towing and 11/12 towing a 16500 40ft 5th wheel at 62mph highway. If the DPF cleaning did not kick in it would do about .5mpg better.


Actually there's been reports that owners of the '19 trucks getting better fuel economy than their previous year trucks.

I do agree that if it weren't for regens we would see ~.5mpg better fuel economy on the 6.7PSD.


I came from a 2012 F-350 dually with 3.73's to the 2017 F-350 dually with 4.10's. I lost 1 MPG loaded and unloaded.


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JRS950

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Posted: 03/05/19 04:24pm Link  |  Quote  |  Print  |  Notify Moderator

I'm going a little different direction here. 3.31 gear ratio for towing? Please check the towing specs for that truck vs your trailer. That is a really high gear ratio. My Ram has 3.73 and I seriously looked at 4.10's.
Just my $.02 worth.

trailer_newbe

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Posted: 03/05/19 06:34pm Link  |  Quote  |  Print  |  Notify Moderator

My new 2018 RAM gets about 17 around town. Towing on our last trip i got about 9.5 MPG, but the engine only about 900 miles on it. With my Tundra 5.7 I was getting 15.7 around town and 8 MPG towing. With that being said the RAM tows WAY better.

Regarding the Ford Push-Rod 7.3, it will not be the miracle engine to replace the diesel, sorry. It doesn’t come close to todays diesel torque, so it will still need to rev like a banchie. Put a turbo on it, and expect to need a 100 gallon tank. The 7.3 is designed to out-do the 6.4 RAM and the 6.3 GMC, period. Bragging rights...


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CabinetmakerII

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Posted: 03/12/19 12:49pm Link  |  Quote  |  Print  |  Notify Moderator

Cougarnewbie wrote:

Looking at a 2019 F-350 with a 6.7 diesel. Currently have a Triton V-10 that gets about 9 mpg. (about 6 mpg towing.) The sticker doesn't list mileage on the diesel. Wondering if the diesel gets better mpg and will it be enough to offset the higher cost of diesel fuel?(3.31 rear end)
Thanks
AL


Not sure if you will ever off set the price of the engine/fuel but I do know you will be happy with the power/torque of the diesel over gas. I would recommend 3:73 gear ratio over the 3:31. My 2017 F-450 has the 6.7 Power stroke with 4:30 rear end. I get 14MPG solo and 9 MPG towing... If the wind is blowing, all bets are off. Bottom line IMO, you cant beat a diesel when towing.

Regards
Allan


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