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Old 10-10-2016, 11:21 AM   #1
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Back to a Diesel

After owning PowerStrokes for many years, I've been driving a 2012 F150 for about 3.5 years. Next week, I'll be trading that for a 2016 F350 Lariat 4x4 PSD with 3.31 gears.

My wife has a 2015 F150 SCREW with the 5.0. so we have two rigs that can tow the travel trailer, although one will certainly be more capable!

After a Yellowstone trip earlier this year, I convinced myself to go back to a larger truck with more stability, power and braking capabilities. The F150 performed well, but I was constantly "driving" rather than enjoying the drive.

Diesel is currently about $.10/gal cheaper than regular (where I live) and I expect the PSD to achieve about 2-4 MPG better than the 5.0 V8 (when not towing, more so when towing). Any feedback on towing and non towing mileage from your 2015/2016 6.7 PSD?

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Old 10-10-2016, 11:34 AM   #2
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While I can't comment specifically on the Ford diesel I definitely agree with you about "driving rather than enjoying the drive". You are making the right move. They make towing so much easier and safer. My Duramax gets 12 mpg towing the trailer, 16 mpg with mostly city driving, and 23 mpg at 65 mph with no payload.

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Old 10-10-2016, 12:53 PM   #3
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The 2017 Fords eco-boost and Raptor will come with a new 10 spd trans featuring 3 o/d's and low gear is real close to what reverse is. Should be a stump puller for sure
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Old 10-19-2016, 09:04 AM   #4
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Don't know if I'd buy a Raptor for towing purposes...isn't that a hi-performance truck??
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Old 10-19-2016, 09:12 AM   #5
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Couldn't agree more with less driving and more seeing and enjoying!!

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Old 10-19-2016, 09:12 AM   #6
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The standard F150 equipped with the 3.5 Ecoboost will have the 10 speed. The Raptor also has the 10 speed. All non 3.5 Ecoboost engines will have the 6 speed.
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Old 10-19-2016, 09:13 AM   #7
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3.31 gear ratio your engine will be hardly turning over at highway speed. I'm looking at changing from my 2006 F350 to either a Ford or Dodge and haven't decided if I want to go with the one ton or a 3/4 ton in either truck.
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Old 10-19-2016, 09:14 AM   #8
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I went from a 2015 F150 XLT 4x4 with the V8 5.0 to a 2015 F350 Lariat 4x4 with the 6.7 PSD. I love the way the new truck tows. It is much more comfortable. I will say that I have not experience a significant fuel savings. When towing, I avg 11-12 mpg. The old truck was 10-11.
It was still a good decision.
Good Luck!

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Old 10-19-2016, 10:26 AM   #9
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I've had an F150 4x4 SCrew with the 3.5 Ecoboost and 2 different F250 6.7 PSD's- a 2011 2WD SCrew and now a 2015 4x4 SCrew. All 3 were/have been used for daily driving on short trips, some long empty highway drives and some towing of ~9,000 lbs. Over the 8,000 miles I had the 2x4 6.7, it achieved about 1mpg higher than the 2013 EB did over the 30,000 I had it. The 4x4 6.7 I currently have is about even with the EB over the 17,000 or so I've had it. I would say that this is with ~20% of my driving having the TT in tow. So, my personal experience has been that the diesel cannot be justified monetarily. Especially when you consider the added expense of fuel filters, DEF and higher oil changes. Those that haul heavy loads almost exclusively can see some slight monetary advantages (in my opinion) with the diesel since it's mileage suffers less than gas engines when loaded. This doesn't negate the other benefits of the larger chassis and diesel engine- I'm just saying that if you expect that diesel to have a lower per mile cost you'll likely be disappointed.
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Old 10-20-2016, 12:51 AM   #10
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Unless they change the Raptor... I would not use it for towing. The changes made for the Raptor are to use longer travel and thus softer suspension. This is the antithesis of what you want for towing where you add more weight. The added weight and long travel suspension should make for a real bounce monster.

I have come to believe that the main difference everyone notes when they make the claim that a bigger truck tows better is really not about the weight of the truck matching the weight of the trailer at all. I believe it has to do with the spring rates of the truck. With a big heavy truck you have big heavy springs and the added trailer weight is not quite the force multiplier. Put another way if I have 8000 lbs of truck on the springs and add 2000 lbs of trailer tongue weight that is only a 25% increase. But if I add that same 2000 lbs of trailer tongue weight to 4000 lbs of truck I get a 50% increase. It is not possible to make a set of springs that work over that kind of range so you get the bouncy bouncy pogo effect.

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