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Old 01-26-2013, 06:43 PM   #1
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6.7 Cummins & Power Stroke Owners

Couldnt find any prevous threads that answered this question so here it goes. My dad is considering getting a new 3500/350 with the 6.7 Cummins or powerstroke to replace our 03 350 6.0. I have searched both Cummins and Powerstroke forums as far as mpg goes, but it seems that the numbers are all over the place. What have you all been getting for numbers loaded/unloaded? Thanks for the help.

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Old 01-26-2013, 07:39 PM   #2
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I'm currently on my second 6.7 and bone stock with 35's on 20" wheels I get 16.5 on the hwy and about 13 around town which is almost exactly what I got with my first one until it got to almost 20k miles and my mileage jumped to about 16 around town and 22 on the hwy. On my new one I have got 20 on the hwy with a programmer but it just barely turned 12k. Oh ya, pulling an 8k+ lb camper on windey mountain roads it only gets about 10mpg but I dont cut it any slack either.

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Old 01-26-2013, 07:41 PM   #3
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My 07.5 6.7 just got 15.3 cruiseing at 80mph for 4 hours
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Old 01-26-2013, 07:46 PM   #4
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I get consistent 13.9 with a dually. Almost 16 on long hwy trips.

About 11.5 mpg towing a 37 foot Montana fifth wheel.

It's a 2012 ram with the High output option.

I had an 03 ford 6.0 and the ram blows it away in all areas.

I had an 05 Chevy with dura max and it was a great truck. 14.5 mpg. The dodge is a slightly better truck.
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Old 01-26-2013, 08:12 PM   #5
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I get consistent 13.9 with a dually. Almost 16 on long hwy trips.

About 11.5 mpg towing a 37 foot Montana fifth wheel.

It's a 2012 ram with the High output option.

I had an 03 ford 6.0 and the ram blows it away in all areas.

I had an 05 Chevy with dura max and it was a great truck. 14.5 mpg. The dodge is a slightly better truck.

Our 6.0 has been broken down twice with injector problems. The turbo also went out in it with 2k miles. Do you think the Cummins not having the urea injection is a major factor?
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Old 01-26-2013, 08:49 PM   #6
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I also drive a 2012 f-350 powerstroke for my work truck, it's total weight is 13, 300lb give or a little depending on what fluids and/or equipment I have loaded in it and that thing is just a turd with wheels that gets 8mpg mixed hwy, offroad and idle time. Just turned 16k today. I've been driving powerstrokes for the past 10 or so years as work trucks and I know better than to buy one for my personal use.
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Old 01-26-2013, 09:09 PM   #7
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I also drive a 2012 f-350 powerstroke for my work truck, it's total weight is 13, 300lb give or a little depending on what fluids and/or equipment I have loaded in it and that thing is just a turd with wheels that gets 8mpg mixed hwy, offroad and idle time. Just turned 16k today. I've been driving powerstrokes for the past 10 or so years as work trucks and I know better than to buy one for my personal use.
We have owned every PSD except the 6.4 and the new 6.7. We traded our 6.9 in with over 350k on it and our 99 7.3 has 220k on it and still runs like a top. I have nothing agaisnt PSD's but having a 6.0 has really put a damper on our confidence. I realize that international is not making the motors anymore, but it seems Ford has a problem of over-engineering everything.
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Old 01-26-2013, 09:34 PM   #8
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Our 6.0 has been broken down twice with injector problems. The turbo also went out in it with 2k miles. Do you think the Cummins not having the urea injection is a major factor?
Yes among other things. But the cummins not needing exhaust fluid ( how stupid a mane is that) was the entire reason I test drove one. If it wast for that I would of just bought another dura max.

I am really impressed with the dodge.

I have owned:
99 psd
03 psd. Big pos.
05 dura max 295000 great miles
05 dura max 200000 great miles and still going
2012 cummins just a great truck.
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Old 01-26-2013, 10:31 PM   #9
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I have a 2011 Dodge cummins w/the H.O. Getting around 13 around town empty or loaded. I got around 15 pulling my 13,000lb camper to the beach. We have a 2010 ford f-450 PSD ambulance in the squad I am in and it sits at 7.5 to 8 mpg all the time.
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Old 01-26-2013, 10:42 PM   #10
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Yes among other things. But the cummins not needing exhaust fluid ( how stupid a mane is that) was the entire reason I test drove one. If it wast for that I would of just bought another dura max.

I am really impressed with the dodge.

I have owned:
99 psd
03 psd. Big pos.
05 dura max 295000 great miles
05 dura max 200000 great miles and still going
2012 cummins just a great truck.
Gotcha, we have also been considering a durmax but we figured we would check out Cummins first. Out of curiosity what kinda problems have you had from your 6.0?
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Old 01-26-2013, 11:15 PM   #11
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Gotcha, we have also been considering a durmax but we figured we would check out Cummins first. Out of curiosity what kinda problems have you had from your 6.0?
There is reason they are called 6 leakers.
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Old 01-27-2013, 12:03 PM   #12
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The 6.0 engine is long gone, unless you are buying a used one.
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Old 01-27-2013, 12:08 PM   #13
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that's why the call it the 6.oh.....
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Old 01-27-2013, 05:16 PM   #14
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I agree, the 6.0 was a huge failure for ford. Although I consider myslef one of the lucky ones, I was able to get 300,000 out of mine with little failure, and it ran great. That was in a 3500 srw.
I was upgreaded to a 2012 f250 rental truck, i was really impressed with the performance of the ford 6.7 diesel. i was getting (by the dash o meter ) 19 mpg with it. and I do not baby it either.

I was then taken out of that and placed into my new serv truck, a dodge 5500 dually.
I am not impressed with the power. I have 23,000 on it since september. The tranny shifts horribly and it cannot get out of its way.
And if I hit 10 mpg, Its a good day.

Opinons are going to be all over the place. I would like to test drive a 3500 with the same engine, just to see if it has anymore spunk to it.

But one other thing to consider, any new diesel is going to use uretha in the exhast.
I get around 4,000 miles to 5 gals of it.

My oppinion is to have your father test drive them both and compare. There are things I like better about the dodge, and things I like better about the ford.

Good luck with your research...

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