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More MPG from a Cat C-13

Discussion in 'Trucks [ Eighteen Wheelers ]' started by pheebo, Nov 20, 2010.

  1. Nov 20, 2010 #1
    pheebo

    pheebo Bobtail Member

    46
    4
    Aug 13, 2009
    Williamsburg Va.
    0
    I recently bought a 2007 W900L with a C-13 Cat. Ten speed overdrive and 3:36 rear. Running about 1400RPM's at 65MPH. Only two tanks of fuel but MPG look about 5.8. I would like some suggestions on improving fuel mileage. I know the W900 has the aerodynamics of a brick but I like the looks and ride of the truck. Need to do the easy and cheap thing first and ones that won't void my warranty. Thanks for all the help.

    Also I have a 1998 Volvo VNL with a 12L Detroit that I am parting out. In frame done Nov. 2009. New air exchanger. Rebuilt head. New steering box and arm. Phil
     
    Last edited: Nov 21, 2010
    pheebo, Nov 20, 2010
    pheebo, Nov 20, 2010
    #1
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  3. Nov 20, 2010 #2
    LBZ

    LBZ Road Train Member

    1,770
    1,262
    Oct 22, 2008
    Road to Nowhere
    0
    Am not 100% sure, but you will probably need to dig out the serial number or at least let these guys know if it was built in '06 w/o the Diesel Particulate Filter or actually in '07 w/ the DPF.
     
    LBZ, Nov 20, 2010
    LBZ, Nov 20, 2010
    #2
  4. Nov 20, 2010 #3
    DL550CAT

    DL550CAT Road Train Member

    1,427
    1,481
    Oct 18, 2009
    Waynesburg, Pa
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    open the exhaust up. Get a better tune like from PDI, Bully Dog or Mr Haney. The tune will make the most differance.
    I have a 06 W9 with 3.55 rears. I can get 7 if I drive it real easy 6 if I run it hard and usually get about 6.4 to 6.6. Thats with a C15 ACERT.
     
    DL550CAT, Nov 20, 2010
    DL550CAT, Nov 20, 2010
    #3
  5. Nov 20, 2010 #4
    gerardo1961

    gerardo1961 Road Train Member

    1,672
    480
    Feb 21, 2010
    miami
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    i have a c 13 in my columbia .i change the muffler pp mufflers and i gain 0,5 mile better,the c 13 is not a very economic engine only never i have troubles
     
    gerardo1961, Nov 20, 2010
    gerardo1961, Nov 20, 2010
    #4
  7. Nov 21, 2010 #5
    pheebo

    pheebo Bobtail Member

    46
    4
    Aug 13, 2009
    Williamsburg Va.
    0
    It is a 06 motor with no Diesel Particulate Filter. I know the exhaust is one of the first things to change but I don't want a loud truck. I saw a post on here where they replaced the mufflers with 180 degree straight through pipes. I wonder how loud that would be?
     
    pheebo, Nov 21, 2010
    pheebo, Nov 21, 2010
    #5
  8. Nov 21, 2010 #6
    Jfaulk99

    Jfaulk99 Road Train Member

    2,914
    1,648
    May 16, 2009
    Couch
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    What are you hauling? We have a T800 with a C13, 10spd, 3:70's on X-Ones. Only pulls a hopper (easiest trailer to pull) and it just got 7.5mpg. All stock except for a straight through muffler.
     
    Jfaulk99, Nov 21, 2010
    Jfaulk99, Nov 21, 2010
    #6
  9. Nov 21, 2010 #7
    pyrosparks911

    pyrosparks911 Light Load Member

    103
    53
    Nov 24, 2008
    Charlotte,NC
    0
    The Pittsburgh power mufflers will not make it louder.
     
    pyrosparks911, Nov 21, 2010
    pyrosparks911, Nov 21, 2010
    #7
  10. Nov 21, 2010 #8
    gerardo1961

    gerardo1961 Road Train Member

    1,672
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    Feb 21, 2010
    miami
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    Is only a little loUder the pp mufflers,I like this sound,and is a cheap way to have a better mpg
     
    gerardo1961, Nov 21, 2010
    gerardo1961, Nov 21, 2010
    #8
  11. Nov 21, 2010 #9
    gerardo1961

    gerardo1961 Road Train Member

    1,672
    480
    Feb 21, 2010
    miami
    0
    Never drive with cruisecontrol this bring you a better mpg
     
    gerardo1961, Nov 21, 2010
    gerardo1961, Nov 21, 2010
    #9
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