Squeeze every gallon...

[SalmonKiller]

set cruise control between 55-60

How are you not being run off the road on I-90, I-82 & I-84?

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[MC250r719]

Wow. what did I do right. 1st of all I have Cooper 275/70R18 tires on my 2017 Laramie 4 door long bed. I bought this truck used with 16k miles on it and I do not know if any tuning has been done on it as there are dead pedal and transmission issues that the Warp tunes should clear up (however it will be this weekend). My best mileage was 965 going from Seattle to Twin Falls ID approx. 650 miles getting 27.5 mpg filling up took just over 23.6 gallons. Things I did to get this mileage- tires at 80 all 4, set cruise control between 55-60 and only made one stop at the halfway mark which is just before climbing the grade outside of Pendleton OR. I have made this trip 4 times and the last 3 I averaged 23-25 mpg. When I complete the Ray tunes I hope to see it get a little better, but time will tell. I have towed with this rig getting 15 mpg with a 28 ft trailer weighing 9000 lbs per DOT scales near my home (this does not include truck weight).

Dang 15 mpg towing 9K! Still doing 55-60 mph?

When I tow my 10K fifth wheel I only get 11 mpg, but I'm doing above 70 mph.

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[Gc6312]

I normally leave early in the morning around 2 to 3 am and just enjoy the ride, I'm retired and time is all I have when driving. I-84 is the biggest challenge as the speed limit is 80 mph. I stay in the slow lane and patience is a vutue. If I see that I am holding up people, mostly the working group, I get out of there way or speed up.

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[Gc6312]

Yes I tow at 55 to 60. Mostly due to safety, I see so many accidents with people towing and the truck they are using weights less that what they are towing. It's hard enough to stop when an emergency happens as the trailer wants to pass the truck. I just installed the egt probe in the exhaust manifold and will finish installing the MM3 this weekend but waiting on parts before I fire it up. Hoping to get better mileage mostly in the towing department.

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[BlackBart]

Not impressed. At 20mpg I can go 2420 miles

Down hill in neutral with the key off don’t count.

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[Capt543]

It helps that I can carry 121 gallons of fuel.

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[RamIt]

It helps that I can carry 121 gallons of fuel.

How many times do you have to restart the pump for that LOL

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[Capt543]

What do you mean?

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[Polaraco]

Not bad! I gave up my quest for 20+ mpgs when I went 35" tires. Congrats to you though!

Greg
2012 | RAM 2500 | CCSB | MM3 tuned by Double R Diesel
2016 | Heartland Pioneer | DS310

I just got 245 miles out of not quite a 1/4 tank. Around 500 on 1/2 a tank. Eyeball, that's around 26 to 28 which I have clocked twice before in the hills. This trip took me to the jersey flats. I too have compensated for the tires and gears.

Greg. . . Did I embarrass you into a new picture? LOL

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[Power247]

I just got 245 miles out of not quite a 1/4 tank. Around 500 on 1/2 a tank. Eyeball, that's around 26 to 28 which I have clocked twice before in the hills. This trip took me to the jersey flats. I too have compensated for the tires and gears.

Greg. . . Did I embarrass you into a new picture? LOL

Haha, nope. It's just been that long since I logged into the forum from my PC. That pic was sooooo old so decided I should put up a recent one.

Your fuel mileage is awesome. I have been driving a ton of highway miles lately (4 trips from Greensboro to Charlotte, about 200 miles round trip each) and 19.x is as good as it gets. The stop and go traffic for the 10 miles in and out of downtown Charlotte kills any ground I make on the 180 miles of open road. I'd still rather drive my truck over anything else.

Greg
2012 | RAM 2500 | CCSB | Custom tuned by Double R Diesel
2016 | Heartland Pioneer | DS310

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