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[Grumpaw]

my camper isn't heavy enough to push my instantaneous fuel economy that high. the ranger's engine braking is enough to actually slow down on most of the mtn grades that I usually drive.

Those figures are from my Scan Gauge...when the truck is coasting down hill it reads 9999.9, and under heavy load, depending on gear, throttle, grade, it will fluctuate 6 -7-8-9 mpg. Cruising at 65 on an interstate, towing the camper, 10-11 mpg.

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[moorejl57]

Got 24.7 on a 200 mile trip in the rain running the LT265/65R17, 40 psi and and no lift.

 

[LT Dangle]

Might be the rubber compound. Hankooks are hard, try sticking your fingernail into them... Michelins are a much softer compound... which is really a good thing on ice.

I'm thinking this ^^^^ is the biggest factor in mpg decrease with the Michelins.

...also of note.... the Michelins have a more aggressive tread pattern than the factory Hankooks, so I'd bet they have more rolling resistance

 

[HenryMac]

...also of note.... the Michelins have a more aggressive tread pattern than the factory Hankooks, so I'd bet they have more rolling resistance

Hmm... The Michelins don't look more aggressive than the Hankook AT M's?

Michelins

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Hankooks

 

[Chuck Dragisic]

2019 Lariet, 40,000 miles. I show 21.1 MPG average for the last 15,000 miles since I bought it used. A lot of that milage is at 80 mph on the cruise control.. West Texas and Eastern New Mexico.

 

[LT Dangle]

2019 Lariet, 40,000 miles. I show 21.1 MPG average for the last 15,000 miles since I bought it used. A lot of that milage is at 80 mph on the cruise control.. West Texas and Eastern New Mexico.

im about the same.. I've got a little over 10k on my '21 and my combined average (per the trip computer) floats arount 21.5mpg

 

[bostonburner]

I have the ford performance fox 2.0 kit, the ford performance 91 tune and I am almost exclusively running shell vpower 93. Day to day driving like a masshole on my 20 mile commute I average 22ish mpg, if I baby it on the highway I'll usually be able to get 30-31mpg. Towing my squaredrop camper fully loaded at about 1500-1600lbs I can get 23-24 on open highway if I stay at or below 65 and at 80 I'll get around 21. For thanksgiving I took a road trip with the camper at was almost 1000 miles and my trip average was 22.4.

 

[Ibanezbass671]

Truck just hit 500 on the odometer. Getting an average of 19mpg on stop/go traffic. No highways where I live. Running stock LT265/65R17 Bridgestone Duelers HT

 

[Ranger X3]

Ford tune, ford/fox leveling kit - OEM 18 wheels hankook tires 21.6 mpg. 265/70/r17 ko2 with tremor wheels 20.1 mpg. I'm still playing around with the correct psi. I heard / read 32 psi up to 40psi for cold temps. ?

 

[OrangeStreak]

Ford tune, ford/fox leveling kit - OEM 18 wheels hankook tires 21.6 mpg. 265/70/r17 ko2 with tremor wheels 20.1 mpg. I'm still playing around with the correct psi. I heard / read 32 psi up to 40psi for cold temps. ?

Matthew,
I have the same tires and the ideal ride for me after experimenting is at 36 psi cold. BFG gave me a recommendation range close to this figure. They calculated the weight of the ranger with the tires specs to get their result. I have the pressures checked once a month at Discount and have them to adjust it so they will come out to about 36 psi when cold. The TPMS runs about 2 psi lower that the actual pressures in the tires. Hope this helps

 

[Ranger X3]

Matthew,
I have the same tires and the ideal ride for me after experimenting is at 36 psi cold. This was also the recommendation that BFG gave me. They calculated the weight of the ranger with the tires specs to get their result. I have the pressures checked once a month at Discount and have them to adjust it so they will come out to about 36 psi when cold. The TPMS runs about 2 psi lower that the actual pressures in the tires. Hope this helps.

Cool, I didn’t know the TPMS runs low! I see we’re at about the same elevation so I’ll give 36 psi a try. Discount tires, when they installed them, put them at 40, called a couple days later the guy said 35. Later I checked with big O tires and one person said 32 and the other 40. The elevation thing throws me off.

 

[Gizmokid2005]

The TPMS runs about 2 psi lower that the actual pressures in the tires. Hope this helps

Cool, I didn’t know the TPMS runs low! I see we’re at about the same elevation so I’ll give 36 psi a try. Discount tires, when they installed them, put them at 40, called a couple days later the guy said 35. Later I checked with big O tires and one person said 32 and the other 40. The elevation thing throws me off.

Careful about the TPMS comment. All 4 of my sensors run within 0.5psi of 3 different gauges when measuring pressures (and I do it fairly regularly with my offroad adventures). I use TPMS as the initial gauge for airing back up, then using my manual gauges as final since TPMS has a delayed update.

 

[OrangeStreak]

Cool, I didn’t know the TPMS runs low! I see we’re at about the same elevation so I’ll give 36 psi a try. Discount tires, when they installed them, put them at 40, called a couple days later the guy said 35. Later I checked with big O tires and one person said 32 and the other 40. The elevation thing throws me off.

I got some varying figures from local BFG dealers, so I called corporate to get the calculation from them which turned out to be a good estimate. Let us know what psi you come up with that works for you.

 

[OrangeStreak]

Careful about the TPMS comment. All 4 of my sensors run within 0.5psi of 3 different gauges when measuring pressures (and I do it fairly regularly with my offroad adventures). I use TPMS as the initial gauge for airing back up, then using my manual gauges as final since TPMS has a delayed update.

Discount usually gets the psi a little higher than 36. If I'm not too lazy I let the tires cool down in the garage and then bring them down to 36 with an accurate gauge to get them as equal as possible.

 

[Gizmokid2005]

Discount usually gets the psi a little higher than 36. If I'm not too lazy I let the tires cool down in the garage and then bring them down to 36 with an accurate gauge to get them as equal as possible.

Yeah, they need ~3 hours to cool down from running to "cold" PSI levels (and should be <1mi in 15 minutes to be classified cold from a cold start). Usually they should be high when at a tire shop. I tend to run mine close to 36 cold, though lately have been closer to 30 and I just need it to stop raining and warm up a bit so I can go air them up some more.

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