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Thread: 5.9L Cummins Tune

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    mallardslayer2's Avatar

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    5.9L Cummins Tune

    Does anyone know if Ray offers a 5.9 tune for the 6.7s?

    Not a 12 valve.

    I know he offers that but I'm talking about a Second Gen 5.9L tune that you see some people with.


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  3. Top Of Page | #2
    Old & Grumpy! Polaraco's Avatar

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    5.9L Cummins Tune

    Quote Originally Posted by mallardslayer2 View Post
    Does anyone know if Ray offers a 5.9 tune for the 6.7s?

    Not a 12 valve.

    I know he offers that but I'm talking about a Second Gen 5.9L tune that you see some people with.
    Unfortunately, no.

    I have a source though.

    Been running his tune for a few years now.

    Very Happy.

    PM me


    2003- 3500 RWD Automatic.
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  5. Top Of Page | #3
    mallardslayer2's Avatar

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    5.9L Cummins Tune

    PM Sent.


  6. Top Of Page | #4
    mallardslayer2's Avatar

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    5.9L Cummins Tune

    @DRD do you offer a "5.9" tune for the 6.7s?


  7. Top Of Page | #5
    DRD's Avatar

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    5.9L Cummins Tune

    No sir

    Ray,
    Double R Diesel

    The Cummins Whisperer! John 3:16, Romans 10:9-10...Tuning for the Heart and Soul.


  8. Top Of Page | #6
    mallardslayer2's Avatar

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    5.9L Cummins Tune

    Any reason why?

    Is it hard on these 6.7Ls to run that tune?


  9. Top Of Page | #7
    Cummins7's Avatar

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    5.9L Cummins Tune

    I think its more about how clean they run.

    If you hold the VGT wide open like a fixed vane turbo, then you will get some smoke on first acceleration and in certain areas.

    This also leads to it being non efficient in fuel economy too.

    Sent from my SM-N986U using Tapatalk


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  11. Top Of Page | #8
    #1 VENDOR cumminsdieselfreak's Avatar

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    5.9L Cummins Tune

    Quote Originally Posted by Cummins7 View Post
    I think its more about how clean they run.

    If you hold the VGT wide open like a fixed vane turbo, then you will get some smoke on first acceleration and in certain areas.

    This also leads to it being non efficient in fuel economy too.

    Sent from my SM-N986U using Tapatalk
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