What fuel mileage can one expect from a 2008 Prostar ?

Discussion in 'International Forum' started by jameson1985, Oct 7, 2014.

  1. jameson1985

    jameson1985 Bobtail Member

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    Running Toronto - California ... hauling 20 000lbs on average ?
     
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  3. Balakov100

    Balakov100 Road Train Member

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    Between 5mpg and 8mpg
     
  4. jameson1985

    jameson1985 Bobtail Member

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    Hi Balakov,

    Right now im at 5mpg ...and im going nuts ...

    truck does not have the roof fairing , not tanks covers or cab fairings ...

    If I get the roof fairing installed , the tank covers , the cab fairings ...can I expect better MPG ? What improvement can I expect ?
     
  5. Balakov100

    Balakov100 Road Train Member

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    You didn't mention what kind of freight/trailer.
    You mention no Roof Fairing so guessing Van/Reefer.

    What kind of Transmission.
    And Engine.
    Also how fast you run.

    This truck should probably be doing better than 5, if everything is working like it should.
    EGR (possibly DPF)
     
  6. jameson1985

    jameson1985 Bobtail Member

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    Oct 4, 2014
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    cummins isx
    automatic transmission
    limit at 65 mph

    no bubble on the roof so the van is dragging about two feet above the Cab ( in the wind)

    wondering if its worth it to install the roof bubble, the tank covers , and the cab fairings ...
     
  7. Balakov100

    Balakov100 Road Train Member

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    Roof fairing probably.
    But would try to figure out what's wrong with it first.
     
  8. Cat sdp

    Cat sdp . .

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  9. jameson1985

    jameson1985 Bobtail Member

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    wow ...that's a lot of Information.....thanks for sharing the info
     
  10. allisonisatranny

    allisonisatranny Light Load Member

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    The roof fairing would seem important. You can get a Pro Star factory one, OR after market that does not look factory. Read that link he posted. If you're getting 5 MPG, its time to start cleaning some sensors and emissions stuff. That should solve your problem.

    I'm not sure what tires you are, if they are caps or off brand, they play a role. Check the air filter, if its a trade truck they probably never touched it. Go to ebay and search for Davco 382, I'd recommend installing one of these. Good luck, let us know how it goes.
     
  11. Charli Girl

    Charli Girl Road Train Member

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    Mine is an 09 and depending how heavy I am and how my right foot acts I get between 6-7.5
     
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