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04' Columbia MPG estimate help...

Discussion in 'Freightliner Forum' started by garyatk, Jun 21, 2011.

Page 2 of 2
  1. Jul 22, 2011 #11
    garyatk

    garyatk Light Load Member

    56
    8
    Apr 17, 2010
    Traverse City, MI.
    0
    I just got done talking to an un-named CAT shop that will put a 2002 ( I believe 6NZ) ECM on the truck and rate it for 550HP. They said that it should get 1 to 1.5 MPG better.

    They cautioned me that the 10 speed trans will them be the weakest link in the set up, and it should not be lugged.

    I was intending to switch out to a 13 speed anyway if it ever needed a new one.

    I sure hope this works....
     
    garyatk, Jul 22, 2011
    garyatk, Jul 22, 2011
    #11
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  3. Jul 24, 2011 #12
    garyatk

    garyatk Light Load Member

    56
    8
    Apr 17, 2010
    Traverse City, MI.
    0
    Well it worked out that my truck was in Mr. Haney's neighborhood on Saturday, and he came out to tune it up for me. My driver now reports that the truck has gone from a 5 MPG at best, to just getting 7.3 MPG, and doesn't even hesitate to pull a grade. Night and day difference!!!!

    Thanks Mr. Haney!!!!!
     
    garyatk, Jul 24, 2011
    garyatk, Jul 24, 2011
    #12
  4. Aug 8, 2011 #13
    CATshaker

    CATshaker Bobtail Member

    35
    2
    Sep 25, 2010
    Rushville, IN
    0
    which file did you decide to go with??? 550 or 600
     
    CATshaker, Aug 8, 2011
    CATshaker, Aug 8, 2011
    #13
  5. Aug 8, 2011 #14
    garyatk

    garyatk Light Load Member

    56
    8
    Apr 17, 2010
    Traverse City, MI.
    0
    550, and now that I changed the mufflers I am close to 8 mpg...
     
    garyatk, Aug 8, 2011
    garyatk, Aug 8, 2011
    #14
  7. Dec 10, 2011 #15
    oc83baker

    oc83baker Medium Load Member

    410
    127
    Jan 18, 2011
    all 48
    0
    How much did the tune cost and how long did it take. I'm currently getting 5.25 mpg, about 6mpg hauling an mt trl at 55mph.
     
    oc83baker, Dec 10, 2011
    oc83baker, Dec 10, 2011
    #15
  8. Sep 25, 2012 #16
    jbeech

    jbeech Bobtail Member

    12
    0
    Sep 25, 2012
    Orlando, FL
    0
    I'm curious too, C-10 and 3.42 averaging 8.2 at present. Where's Mr. Haney, anyway?
     
    jbeech, Sep 25, 2012
    jbeech, Sep 25, 2012
    #16
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