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T-minus 20 days till I jump off on a cross country round trip with the '19 F250 PS. I've had the truck for two weeks, and so far I've seen:
19-21MPG at 75-80MPH on fairly flat interstate
25-26 on country highways at 65mph
14 in the city
I'm not unhappy with those numbers, but with a 6000 mile round trip coming, even small improvements make a difference. I'm running empty, so I don't need as much power as the truck has out of the box. I'm ok with trading a bit of HP/TQ for MPG, if that matters.
I just put 295/65/20's Geolandar GO15's on, which have pretty good highway manners on the AT tire spectrum. I intend to level by dropping the back end with new blocks. I don't think that will make a huge difference, but hopefully it doesn't pay the MPG price that lifting the front end would.
What are some things I can do to give me just a little more? Airbox? Cruise with the mirrors folded (I tried it and got +1mpg, LOL)?
Yes, very pleased with them. Those numbers were also using cruise, I should say. I also haven't adjusted my speedo to the bigger tires. If my math is correct, the real numbers should be a bit higher. The speeds I referenced were off of GPS.
If you are getting 25/26 I bet Ford would buy that from you at a profit, prob, prob trade you a 2020 and give you some boot.
Best I can do is on my weekly downhill run from 1720 EL down to about 550 EL on I 10 is 21/22 and when I exit I will be around 15 by the second red light...
Suggest you touch NOTHING in that engine bay, you are not going to make it better.
How are you getting those mpg numbers? Seems a bit high.
I'm still trying to figure out what my mpg is, one screen will say one thing and barely ever move, the other will show a completely different number but change frequently. Both pics were taken during the same point of the drive. That 18.1 is the highest I've seen on my unloaded, stock truck. That's also being much lighter on the pedal than I would like.
I had a drive yesterday from West Virginia to DC that had very distinct sections of road. I-81 for 30+ miles of wide open, relatively flat interstate at 75-80mph with the cruise on. US50 from Winchester to Marshall VA is country highway with a few stop lights (I mostly hit green lights) and not much traffic to speak of. I was doing about 60-65 on it. I-66 from Marshall to DC is urban interstate, much more traffic, speeds varied from 65 down to 45.
As I hit each section, I reset the MPG average. Obviously these numbers aren't long distance averages, but the MPG gauge was fairly stable, and 30 miles of the same driving style gives a decent view.
As I hit each section, I reset the MPG average. Obviously these numbers aren't long distance averages, but the MPG gauge was fairly stable, and 30 miles of the same driving style gives a decent view.
Which gauge were you resetting? The gauge in my first pic takes a very long time to change, best I've ever seen on it was 15.7, after a 4.5 hour drive, 98% freeway. That was the drive home from the dealer lot.
Driving habits is going to the biggest variable. Slow acceleration and minimal braking (look far ahead and coast as much as you can). Just remember braking is just throwing away fuel.
Speed it probably the next biggest factor, if you have the time drive slower.
Drive with the windows up, supposed to be better than down.
Other things would be run at the max tire pressure. Slightly less rolling resistance and more harsh feel on bumps.
If you have a 2wd truck put the 4wd lower valance on cut the wind going under the truck (just a guess if this would help)
I would say try to draft other vehicles but that is very unsafe.
I know there are all kinds of debates as to cover the bed or not, tailgate up or down, cap or not, but try whatever you can to see if any gives an improvement.
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