Stepping Out With My Own Numbers

Discussion in 'Ask An Owner Operator' started by Misesian, May 16, 2017.

  1. spyder7723

    spyder7723 Road Train Member

    15,470
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    Mar 31, 2013
    sarasota, fl
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    1425 to 1500 depending on load, weather, and road conditions. I focus on keeping my boost under 8 lbs at cruise.
     
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  3. nightgunner

    nightgunner Road Train Member

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    Jul 23, 2013
    Cedar Rapids, IA
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    I turn the same, but my boost hovers around 10-15. Problem with the turbo?
     
  4. spyder7723

    spyder7723 Road Train Member

    15,470
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    Mar 31, 2013
    sarasota, fl
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    probably not. How heavy do you run? Headwinds? Hills? Lot of factors at play. But the one constant is your boost gauge might as well be named fuel burn gauge. The more boost directly relates to more fuel burn.

    Every load and day is different. In order to keep a low boost i have to adjust my driving practically hourly.
     
  5. nightgunner

    nightgunner Road Train Member

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    Jul 23, 2013
    Cedar Rapids, IA
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    It's all over the place. I am trying to stay as light as possible. The heaviest load in the last 2 weeks was 30k. I have stayed mostly on flat land, Cruse at about 63.
    I did just get a PM last week that brought me up to the 5.7 mark. I may also want to focus on where I buy fuel.
     
  6. spyder7723

    spyder7723 Road Train Member

    15,470
    25,061
    Mar 31, 2013
    sarasota, fl
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    I've been told I'm crazy but every time i buy fuel at loves it knocks a full .5 off my mpg.
     
  7. Tug Toy

    Tug Toy Road Train Member

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    Jul 4, 2015
    Corn field
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    Think of it this way......
    Your engine burns a set amount of fuel naturally aspirated (0 boost). For every 14 lbs of boost you burn almost %110 more fuel. So at 28 lbs of boost you burn almost %210 more fuel than if you are running at 0 boost.

    Another way to look at it is your engine is around 800 cubic inches... at 14 lbs of boost you have an engine that is equivalent to 1600 cubic inches. At 28 lbs you are using an engine equivalent to a 2400 cubic inch engine.
     
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  8. TallJoe

    TallJoe Road Train Member

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    Chicagoland
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    I went to SLC, UT and came back. Winds, Winds, Winds + 44 000 lbs loads both ways.
    The last month I averaged almost 7.00 mpg staying east of Mississipi River regardless of weight. I went West this one time and it dropped the average to 6.6! I burnt 500 gallons for the round trip.

    No need to mention that 40K lbs is a staying alive necessity on I-80 in WY during this week.
    I went through there Larmie - Rawlins, WY section over 1000 times maybe and never saw that many trucks blown over.
     
    Last edited: Nov 3, 2017
  9. rollin coal

    rollin coal Road Train Member

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    Mar 29, 2008
    TN
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    Yeah I remember going out west a few times on 40 and 80 in a company truck years ago. Always seemed like I'd get terrible fuel mileage going west into headwinds. Sometimes as poor as 5.5 mpg in a truck governed at 66 mph that normally got 7 mpg in,ordinary normal conditions running regional. Just imagine all those suckers running cheap freight coast to coast fuel is the one cost they really need to control the most and they will always get screwed on that one way too.
     
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  10. Good bloom

    Good bloom Light Load Member

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    Aug 13, 2017
    Chesterfield, MO
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    6x2 will have hard time in winter docking fueling parking etc.
     
  11. Misesian

    Misesian Road Train Member

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    May 21, 2014
    Nothwest Arkansas
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    If traction is lost, it automatically dumps the air and overloads the powered axle to get going. Mine also has the differential lock on the powered axle and a switch to select the traction mode that will last up to, I think, 15mph. The only thing it will have an issue with are extreme uneven surfaces that would put the powered axle in the air. I don't encounter terrain like that very often, unless it's too dark and I drop off in a moon crater at some of the rougher truck stops or customers.
     
    Dave_in_AZ Thanks this.
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