Cat C7 increase HP ?

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Samot, Dec 14, 2019.

  1. Samot

    Samot Bobtail Member

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    Mar 5, 2009
    Georgia
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    I have a 2005 peterbilt 335 tandem dump truck with a C7, its rated at 335hp and has a 8LL trans.. Is it possible to increase the HP ?
     
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  3. SmallPackage

    SmallPackage Road Train Member

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    Dec 20, 2019
    Marion Texas
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    Im sure you can. Probably with a ecm reflash. There are big motorhomes out there with 350hp versions of the 3126/C7.
     
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