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Thread: 2019 HO and SO

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    Basic Member Cle808's Avatar

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    2019 HO and SO

    Does anyone know what parts are different in the two 2019 motors?

    I understand and read the many changes that occurred but see that the standard output compression ratio went up and HO went down.

    I wonder if/how the higher ratio may affect longevity and tuning for the standard output.

    I'm new to Cummins and recently picked up a standard output 4x4, CC, tradesman.


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    #1 VENDOR cumminsdieselfreak's Avatar

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    Re: 2019 HO and SO

    Quote Originally Posted by Cle808 View Post
    Does anyone know what parts are different in the two 2019 motors?

    I understand and read the many changes that occurred but see that the standard output compression ratio went up and HO went down.

    I wonder if/how the higher ratio may affect longevity and tuning for the standard output.

    I'm new to Cummins and recently picked up a standard output 4x4, CC, tradesman.
    A lot of people, myself included are patiently waiting to see how the new injector pump will do on the Cummins.

    2018 Ram 2500 4x4 G56
    Romans 10:13

    See what we are up to on:
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    Or Email me at:
    joe@ddpmotorsports.com
    www.ddpmotorsports.com


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    Basic Member Cle808's Avatar

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    Re: 2019 HO and SO

    Quote Originally Posted by cumminsdieselfreak View Post
    A lot of people, myself included are patiently waiting to see how the new injector pump will do on the Cummins.
    Definately a concern of mine too. I'm hoping that running xpd every tank is a good idea for extra pump lube and longevity.


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  7. Top Of Page | #4
    #1 VENDOR cumminsdieselfreak's Avatar

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    Re: 2019 HO and SO

    Quote Originally Posted by Cle808 View Post
    Definately a concern of mine too. I'm hoping that running xpd every tank is a good idea for extra pump lube and longevity.
    It certainly won't hurt if you use the correct dosage.

    2018 Ram 2500 4x4 G56
    Romans 10:13

    See what we are up to on:
    FACEBOOK | INSTAGRAM
    Or Email me at:
    joe@ddpmotorsports.com
    www.ddpmotorsports.com


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