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Old Dec 28, 2018 | 08:44 PM
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I took my 18 rcsb 2wd 5.0 down to fla.about 450 miles 1way running 80/85 got 22 and am pleased with that now have 2300 on it
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Old Dec 28, 2018 | 09:17 PM
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yes
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Old Dec 29, 2018 | 12:22 AM
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Must have 3.15 gears. How’s it hold 10th at those speeds? Should be around 1900 rpm
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Old Dec 29, 2018 | 06:48 AM
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3.55 and plenty of power
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Old Dec 29, 2018 | 07:31 AM
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Interesting....I have 34k on my '17 5.0 and 3.31 and never see over 18. Even prior to adding my 10-ply tires, it was never over 19. That 10-speed must make quite a difference. Even cruising at 60 MPH on our Iowa 2-lane highways, it will never get over 19.
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Old Dec 29, 2018 | 09:29 AM
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Originally Posted by 2dwoods
I took my 18 rcsb 2wd 5.0 down to fla.about 450 miles 1way running 80/85 got 22 and am pleased with that now have 2300 on it
I got similar results on the highway with my 2016 5.0/3:55, 2WD SCrew. I lost about 1-2 mpg when I went to larger/heavier tires. 265/75/18, 41lb Michelins.
Still get 20-21 MPG on the highway.
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Old Dec 29, 2018 | 11:20 AM
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Originally Posted by Bronze F150
I got similar results on the highway with my 2016 5.0/3:55, 2WD SCrew. I lost about 1-2 mpg when I went to larger/heavier tires. 265/75/18, 41lb Michelins.
Still get 20-21 MPG on the highway.
yea but going 80-85 mph?
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Old Dec 29, 2018 | 04:05 PM
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I've actually never seen less than 21.5 driving as dd two lane 35/45 never use start stop and in normal mode
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Old Dec 29, 2018 | 05:31 PM
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That's great. I am only getting around 15 mpg with mine, 5.0, 3.55, FX4. Not sure why I am getting that low, as I try to keep the foot out of it.
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Old Dec 29, 2018 | 06:19 PM
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I have the 3.5 EB in a 2wd 18 Lariat and have the 3.15 axle ratio with 20” tires. I bought it for a daily and travel vehicle. So far I’m averaging 22.4 mpg and couldn’t be happier with it.
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