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  1. #1
    Super Member WilliamBos's Avatar
    Join Date
    May 2004
    Posts
    5,027
    Location
    Innisfil, Ontario, Canada
    Tractor
    MF 1635 12x12 Powershuttle

    Default 3.5 Ecoboost questions?

    For those with the 3.5EB, looking at an SCrew 6 1/2 bed 4x4 (I need a 6 1/2 bed) how is your empty mpg?
    Do you notice a difference between 3:55 vs 3:73?
    Thanks,

    Will


    2017 Ram SXT 1500 Crew Cab 4x4 5.7 Hemi 6 speed auto.

  2. #2
    Veteran Member Raspy's Avatar
    Join Date
    Dec 2006
    Posts
    1,399
    Location
    Northern Nevada, SF Bay Area
    Tractor
    NH TC29DA Bolens G14 Skytrac 5028 Dodge Cummins Jeep Rubicon Grizzly 700

    Default Re: 3.5 Ecoboost questions?

    They get good mileage, but the reliability is suspect. My neighbor has one he's selling because it has left him stranded three times and it just got it back from a two week long visit at the dealer. Totally disgusted with it.
    John

    I only exaggerate enough to compensate for being taken with a grain of salt.

  3. #3
    Super Member WilliamBos's Avatar
    Join Date
    May 2004
    Posts
    5,027
    Location
    Innisfil, Ontario, Canada
    Tractor
    MF 1635 12x12 Powershuttle

    Default Re: 3.5 Ecoboost questions?

    They have had their issues but ford is working on them. Tsb for timing chains and the like, improvements for 2018 EB's.

    For the amount on the road, you only hear the bad, not the good.
    Thanks,

    Will


    2017 Ram SXT 1500 Crew Cab 4x4 5.7 Hemi 6 speed auto.

  4. #4
    Veteran Member downsizingnow48's Avatar
    Join Date
    Jul 2013
    Posts
    1,663
    Location
    Sacramento, California
    Tractor
    Kubota B21

    Default

    98k on my 2012. Mileage varies from 11 to 22 depending on road load etc.
    Pat

  5. #5
    Platinum Member
    Join Date
    Jun 2002
    Posts
    770
    Location
    Rozet, Wyoming

    Default Re: 3.5 Ecoboost questions?

    I live 10 miles from work on rural 2 lane. Back and forth to work I get about 17 mpg. 75mph on the Interstate I get 18-20. A lot has to do with how heavy your foot is. I drive pretty conservatively. If the wife was driving it, you could knock a couple of mpg off of those numbers. I have 3:55 I believe. Mine is a '12 with about 60,000 miles. No problems yet.

  6. #6
    Platinum Member Snobdds's Avatar
    Join Date
    Feb 2016
    Posts
    938
    Location
    Wyoming
    Tractor
    MF gc1710, Cat 305C

    Default Re: 3.5 Ecoboost questions?

    I thought you only liked the tundra's? ��

    I have a 14 with a 17 mpg lifetime average. I have had a flawless 25k miles, love the power at 7200 feet...

    No complaints.

  7. #7
    Platinum Member
    Join Date
    Dec 2015
    Posts
    645
    Location
    Wister, Oklahoma
    Tractor
    Kubota 3301 HST/LA525 Loader

    Default Re: 3.5 Ecoboost questions?

    2011 4wd with 75k.
    18 mpg but running a tuner. 8mpg pulling a 29ft travel trailer at max gvwr at 70-75.
    One problem with brake vacuum pump in first year 2012 but warrantied. No other issues to date.

  8. #8
    Elite Member KennyG's Avatar
    Join Date
    Jan 2011
    Posts
    2,511
    Location
    SW Michigan
    Tractor
    John Deere 2320

    Default Re: 3.5 Ecoboost questions?

    2017 4wd. About 21 - 22 on highway @ 75. 17- 18 around. Actual, indicated is 0.5 to 0.75 high.

  9. #9
    Super Star Member Diamondpilot's Avatar
    Join Date
    Jan 2007
    Posts
    16,332
    Location
    Daleville, IN
    Tractor
    Jinma 254/284 Ford 861 Powermaster at work

    Default Re: 3.5 Ecoboost questions?

    Quote Originally Posted by WilliamBos View Post
    For those with the 3.5EB, looking at an SCrew 6 1/2 bed 4x4 (I need a 6 1/2 bed) how is your empty mpg?
    Do you notice a difference between 3:55 vs 3:73?
    I have 3.73 gears and my father and uncle 3.55. I can tell a difference in grunt.

    My truck is a 2012 4x4 3.73 Screw with 119,000 miles. I average 17.8mpg.

    My Fathers is a 2016 4x4 3.55 Screw with 15,000 miles. He averages 19.3.

    I drove his truck Thursday 50 miles round trip to the doctors for heart procedure but have never towed with a 3.55 version.

  10. #10
    Super Star Member Diamondpilot's Avatar
    Join Date
    Jan 2007
    Posts
    16,332
    Location
    Daleville, IN
    Tractor
    Jinma 254/284 Ford 861 Powermaster at work

    Default Re: 3.5 Ecoboost questions?

    As for problems my family has 4 in the fleet. Not a single issue with any.

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