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When do you know it’s time to tune your truck?

Discussion in 'Experienced Truckers' Advice' started by Gurjap, Sep 24, 2022.

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  1. Sep 24, 2022 #1
    Gurjap

    Gurjap Light Load Member

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    Hello, I drive a kenworth with a Cummins isx. What are some signs that it needs to be tuned?
     
    Gurjap, Sep 24, 2022
    Gurjap, Sep 24, 2022
    #1
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  3. Sep 24, 2022 #2
    ProfessionalNoticer

    ProfessionalNoticer Road Train Member

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    ProfessionalNoticer, Sep 24, 2022
    ProfessionalNoticer, Sep 24, 2022
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    Coolbreezin and tscottme Thank this.
  4. Sep 24, 2022 #3
    TripleSix

    TripleSix God of Roads

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    What do you mean by “tuned”?

    In the EFI era, TUNED would be done at the ECM, preferably on a dyno. I don’t think that’s what you are preferring to.
     
    TripleSix, Sep 24, 2022
    TripleSix, Sep 24, 2022
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  5. Sep 26, 2022 #4
    buzzarddriver

    buzzarddriver Road Train Member

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    When you no longer hear a "B flat" coming out of the stack.
     
    buzzarddriver, Sep 26, 2022
    buzzarddriver, Sep 26, 2022
    #4
    BigRedSA, flood, JoeyJunk and 6 others Thank this.
  7. Sep 26, 2022 #5
    RockinChair

    RockinChair Road Train Member

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    I was a tuba player in high school, so I would love it if I could get a Bb out of my exhaust - or even better, out of the air horn. But it's a company truck...
     
    Last edited: Sep 26, 2022
    RockinChair, Sep 26, 2022
    RockinChair, Sep 26, 2022
    #5
    JoeyJunk, MartinFromBC and ProfessionalNoticer Thank this.
  8. Sep 26, 2022 #6
    ProfessionalNoticer

    ProfessionalNoticer Road Train Member

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    Technically, Bs and Es don't have sharps or flats. Sorry, I had to!
     
    ProfessionalNoticer, Sep 26, 2022
    ProfessionalNoticer, Sep 26, 2022
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    JoeyJunk and MartinFromBC Thank this.
  9. Sep 27, 2022 #7
    MartinFromBC

    MartinFromBC Road Train Member

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    You professionally noticed that.
     
    MartinFromBC, Sep 27, 2022
    MartinFromBC, Sep 27, 2022
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    JoeyJunk and ProfessionalNoticer Thank this.
  10. Sep 27, 2022 #8
    ProfessionalNoticer

    ProfessionalNoticer Road Train Member

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    I did! It's all in a day's work, my friend.
     
    ProfessionalNoticer, Sep 27, 2022
    ProfessionalNoticer, Sep 27, 2022
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    JoeyJunk Thanks this.
  11. Sep 28, 2022 #9
    AKDoug

    AKDoug Medium Load Member

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    Cummins says 500K between overhead adjustments. I like to do it every 200K and that also gets me a look at overall condition of the top end. There really is no other tune up. Change oil and filters.
     
    AKDoug, Sep 28, 2022
    AKDoug, Sep 28, 2022
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  12. Sep 28, 2022 #10
    RockinChair

    RockinChair Road Train Member

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    You mean Bs and Fs, right?
     
    RockinChair, Sep 28, 2022
    RockinChair, Sep 28, 2022
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    JoeyJunk Thanks this.
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