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Old 02-28-2016, 11:57 AM   #11
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Fuel economy is best when engine rpm is at the lowest RPM where max torque occurs. For the F350 that is about 1600 rpm. Theoretically, you will get lower fuel economy at engine speeds above and below this rpm value.
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Old 02-28-2016, 02:02 PM   #12
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Mine F350 diesel at 63 mph runs just under 1500 rpm towing or not towing. My towing mileage is affect most by wind and hills since I know have a full profile 5er and runs from 9 to 11 mpg set for about 63 mph. Not towing I get between 19 and 21 at 70 mph and around 13 to 16 around town.
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Old 02-29-2016, 09:53 AM   #13
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I know how to say rooshee

Quote:
Originally Posted by JohnF View Post
F350 on trip across state not pulling last weekend.
Hi folks. My wife and I went to Houston. Class of 71.
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Old 02-29-2016, 02:53 PM   #14
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Hi folks. My wife and I went to Houston. Class of 71.
I was also in the Class of '71. I graduated from Cy-Fair that year. We had a great football team that year....won the state champ. That was a big deal for that school at the time.
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Old 03-01-2016, 11:24 AM   #15
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I am looking at an F350 6.7 SCREW, Short Box SRW Lariat Fully Loaded either a leftover 2015 or 2016, what is the breakin period for these?

I graduated in 1986....lol
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Old 03-01-2016, 03:01 PM   #16
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I am looking at an F350 6.7 SCREW, Short Box SRW Lariat Fully Loaded either a leftover 2015 or 2016, what is the breakin period for these?

I graduated in 1986....lol
If you could just wait a few months I got feeling that the 2016 the dealers are going to have trouble moving without some huge discounts. People are going to spend the extra for the 2017 with all the upgrades and make over.

If I remember right my was 500 miles before towing.
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Old 03-01-2016, 03:28 PM   #17
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I'll second the regen cycle...

I see the exact same behaviour and comparable mileage numbers, when mine's running a regen.

If you don't notice the quick pop-up, saying that a regen is running, there's no other indication on the dash/screen, other than the drop in mileage.
I have asked my service department about a programming change to keep the Regen display on for longer. I know good luck with that request.
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Old 03-01-2016, 03:29 PM   #18
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I am looking at an F350 6.7 SCREW, Short Box SRW Lariat Fully Loaded either a leftover 2015 or 2016, what is the breakin period for these?

I graduated in 1986....lol
Break the seal and Drive it. 500 km in my case..I was tol no cruise and vary speed to settle seals and wear parts in.
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Old 03-02-2016, 09:01 AM   #19
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Buy a cheap tablet, cup holder mount and a $20 OBDII dongle and run the Forscan app. You can monitor well over 500 PIDS on the truck.

It will tell you exactly when you regen and not.





There is also a setting that the dealer can change (Ford came out with it about a month ago) that will put your DPF % on the dashboard so you always know when you start to regen because the percent will start dropping.

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Old 03-02-2016, 09:44 AM   #20
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Very interesting reading. I don't own a diesel so if I may ask an uninformed question:
Can somebody please explain regen so I can grasp what everyone is talking about?

thanks
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