Cummins ISX Holset VGT Turbo pics and questions

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Pappa Bear, Apr 30, 2011.

  1. Pappa Bear

    Pappa Bear Light Load Member

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    Dec 20, 2010
    Springfield, OH
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    I didn't notice much fuel mileage increase. I had a lot more noise and vibration from my engine plus more turbo lag. I think I probably had issues with my turbo already that the bully dog just made worse??? I also didn't feel 100% comfortable messing with the emission equipment. If someone is interested in it there's no risk in trying it, they were real good about getting my money back to me. IMO if you want to change this engine you need a solution that removes all the emission stuff plus the turbo as they all work together.
     
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  3. ProduceHauler

    ProduceHauler Light Load Member

    231
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    Apr 28, 2011
    California
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    Interesting... tell me, did your low turbo boost problems started right when you installed the Bully Dog?
     
  4. Pappa Bear

    Pappa Bear Light Load Member

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    Dec 20, 2010
    Springfield, OH
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    I ordered a boost guage and a pyrometer at about the same time I ordered the bully dog. I got them working right around the time I returned the bully dog. So I can't say for sure.
     
  5. Hardlyevr

    Hardlyevr Road Train Member

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    Jul 30, 2009
    Mapleton Depot,PA
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    even though you have "only" 365K on it, get it tuned up too! I waited til 400K, and saw a big increase in fuel mileage. If you wait til after 500K, the recommended interval and the component warranty limit, and they find cam wear it's expensive!
     
  6. Pappa Bear

    Pappa Bear Light Load Member

    105
    22
    Dec 20, 2010
    Springfield, OH
    0
    I've had the overhead ran. What more do they do in a "tune up" ??
     
    GMCHALE520 Thanks this.
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