Why does Ford 6.7L MPG SUCK SO BAD? - Ford Powerstroke Diesel Forum
6.7 Performance Parts Discussion 6.7 Performance Parts Discussion

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post #1 of 29 Old 07-31-2014, 08:42 AM Thread Starter
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Why does Ford 6.7L MPG SUCK SO BAD?

How can I improve 6.7L MPG? Doesn't get anything close to my 7.3L...

thanks...
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post #2 of 29 Old 07-31-2014, 09:11 AM
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Originally Posted by JCW View Post
How can I improve 6.7L MPG? Doesn't get anything close to my 7.3L...

thanks...
Deletes, tunes. Research. Reading.

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Last edited by CloverLeafFarm; 07-31-2014 at 09:13 AM. Reason: Forgot the question
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post #3 of 29 Old 07-31-2014, 09:14 AM Thread Starter
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ha

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Deletes, tunes. Research. Reading.
No ****....that didn't answer my question...why even comment?
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post #4 of 29 Old 07-31-2014, 09:16 AM
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post #5 of 29 Old 07-31-2014, 09:17 AM Thread Starter
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O you went back and edited your first post....either way...stick to the question or don't reply...I read plenty...but I was asking for some personal input! So...it will not let m e say what I really wanted to tell you!!!!
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post #6 of 29 Old 07-31-2014, 09:22 AM
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O you went back and edited your first post....either way...stick to the question or don't reply...I read plenty...but I was asking for some personal input! So...it will not let m e say what I really wanted to tell you!!!!
First, it would help if you told us what truck you have and not just "6.7". Better off creating a signature so you are not asked every time you post.

Second, unless you are going to delete, there really is not much you can do to increase your mileage. The regens are what kills the mpg.

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post #7 of 29 Old 07-31-2014, 09:25 AM
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Either delete and tune or practice the art of "coasting" if you're a city driver like myself. OR you can do what I do and put your productivity screen on page 3 of the gauge section, which tends to eliminate any thoughts concerning MPG. I think most people that can afford to drive these trucks are able to support a 10 MPG truck. What kind of MPG's did you get on your 7.3?
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post #8 of 29 Old 07-31-2014, 09:44 AM Thread Starter
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OK

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Either delete and tune or practice the art of "coasting" if you're a city driver like myself. OR you can do what I do and put your productivity screen on page 3 of the gauge section, which tends to eliminate any thoughts concerning MPG. I think most people that can afford to drive these trucks are able to support a 10 MPG truck. What kind of MPG's did you get on your 7.3?
I can afford to drive a 5 mpg truck if I wanted to..it's not about the $$...but that's not the point....so a delete kit would help with MPG?...I have tunes but nothing more than the bullydog 40420...My 7.3 got 20 in the city 23 on the highway...I'm getting 13-14 with my new FORD 6.7L....I was just looking for some info ....thanks..
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post #9 of 29 Old 07-31-2014, 10:00 AM
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Generally its the emissions equipment on these trucks that kill mileage. I'd look into common emissions removal/bypass to start off. Of course you need to make sure you are staying legal for where ever you live.

Once your truck isn't as hindered by emissions equipment then I would look at better flowing intake and exhaust systems, and then see what tunes are availalb efor your tuner that focus on increasing mileage.

There are other traditional things that increase mileage, such as tire size and type, driving habits and so on.

Hopefully this gives you a place to start.

2001 F350 XLT 4x4 with the offroad package. Ext cab shortbox auto. 7.3 Powerstroke. TransGo shift kit, stock auto hubs, Napa 6637 air filter mod, no chips or tuners yet.
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post #10 of 29 Old 07-31-2014, 10:05 AM
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Consider yourself lucky because I would have to start hooking on weekends with anything less than 10 MPG, but luckily I'm deleted and tuned getting 13 MPG in the city on 38's...
pops250 and Piah167 like this.
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