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Fuel MPG

Discussion in 'Roehl' started by kardolmer, Feb 4, 2013.

Page 1 of 2
  1. Feb 4, 2013 #1
    kardolmer

    kardolmer Road Train Member

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    Sep 2, 2012
    Monticello MN
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    So in my 2012 prostar i was getting right around 6.5 MPG, before it blew up and crap. Now this loner truck a 9900i That was used by the bridge beam haulers. I am getting 8.8 on the same run that i get 6.5 with the prostar.

    WTF am i doing wroung in the prostar?

    The prostar is a 10 speed and the 9900i is a 13 speed. I am pretty postive i am driveing the 9900i harder than i drove the prostar since it has the power to climb hills.
     
    kardolmer, Feb 4, 2013
    kardolmer, Feb 4, 2013
    #1
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  3. Feb 4, 2013 #2
    kardolmer

    kardolmer Road Train Member

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    Sep 2, 2012
    Monticello MN
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    Should note iam running dedicated iam pulling the same weight load everyday and same route.
     
    kardolmer, Feb 4, 2013
    kardolmer, Feb 4, 2013
    #2
  4. Feb 4, 2013 #3
    coopnp

    coopnp Road Train Member

    1,039
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    Oct 9, 2011
    Orlando, FL
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    More gears lower rpms less work and fuel a truck needs to climb or do whatever
     
    coopnp, Feb 4, 2013
    coopnp, Feb 4, 2013
    #3
  5. Feb 4, 2013 #4
    dude6710

    dude6710 Road Train Member

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    Mar 26, 2010
    MN
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    I thought they didn't chop the nuts on those 9900I's because they were used to haul heavy and had to keep up with the rest when they ran in a convoy.
     
    dude6710, Feb 4, 2013
    dude6710, Feb 4, 2013
    #4
  7. Feb 4, 2013 #5
    Joker85

    Joker85 Road Train Member

    1,465
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    Jul 3, 2010
    Phoenix Az
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    13spds climb better, thats why it's better mpg
     
    Joker85, Feb 4, 2013
    Joker85, Feb 4, 2013
    #5
  8. Feb 4, 2013 #6
    Lantern

    Lantern Road Train Member

    1,800
    824
    Mar 8, 2011
    Deliverin Soda
    0
    My 13spd Detroit 60 in my freightshaker gets 5.5 mpg. I blow alot of black smoke, trying to figure out what my problem is. Thinking its the EGR but I dont feel that power loss. But compared to my 10spd I can climb hills like no other with my 13spd. Also helps that I can build alittle bit of speed for the next hill to.
     
    Lantern, Feb 4, 2013
    Lantern, Feb 4, 2013
    #6
  9. Feb 4, 2013 #7
    Ultra7

    Ultra7 Heavy Load Member

    779
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    Feb 21, 2011
    NE Ohio
    0
    I am thinking maybe Operator Error on this one. Lol! Black smoke is ok. Besides you know you like seeing that, I know I do. Lol! I get an occasional stream of that every now and then. It is when you start seeing blue coming out now that is a serious problem.
     
    Ultra7, Feb 4, 2013
    Ultra7, Feb 4, 2013
    #7
  10. Feb 5, 2013 #8
    Lantern

    Lantern Road Train Member

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    Mar 8, 2011
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    Problem is I'm not hauling butt. And yes, trust me dual stacks and having that smoke blow out is awesome. I even skip shift....
     
    Lantern, Feb 5, 2013
    Lantern, Feb 5, 2013
    #8
  11. Feb 5, 2013 #9
    kardolmer

    kardolmer Road Train Member

    1,008
    305
    Sep 2, 2012
    Monticello MN
    0
    Today was warm enough for me to have the windows open while driving. Got to listen to the tone the dual stacks make on this 9900i was a wonderful thing. To bad the prostar dont sound like it.
     
    kardolmer, Feb 5, 2013
    kardolmer, Feb 5, 2013
    #9
  12. Feb 5, 2013 #10
    Lantern

    Lantern Road Train Member

    1,800
    824
    Mar 8, 2011
    Deliverin Soda
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    It's a beautiful sound isn't it
     
    Lantern, Feb 5, 2013
    Lantern, Feb 5, 2013
    #10
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