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Thread: Rev limit max

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    Basic Member 600HPCummins's Avatar

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    Rev limit max

    Gen 4 2012 Ram 3500, 6.7 Cummins, G56 6 speed, 100% emissions delete, mini max race tuner, flo pro 5" turbo back, south bnd dual disk w/ 3250 p.p., engine is factory stock, what is the max rpms i can run and be safe, set @ 3500 rpms now, thanks in advance.

    Sent from my SAMSUNG-SM-G930A using Tapatalk


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    DRD's Avatar

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    Re: Rev limit max

    Quote Originally Posted by 600HPCummins View Post
    Gen 4 2012 Ram 3500, 6.7 Cummins, G56 6 speed, 100% emissions delete, mini max race tuner, flo pro 5" turbo back, south bnd dual disk w/ 3250 p.p., engine is factory stock, what is the max rpms i can run and be safe, set @ 3500 rpms now, thanks in advance.

    Sent from my SAMSUNG-SM-G930A using Tapatalk
    3500 is the limit I set on a stock truck. Above that requires some serious hard part modifications such, valve springs, push rod, and even connecting rod upgrades...not to mention the factory turbo is well out of its power band at that range as well.

    Ray
    Double R Diesel, LLC
    www.doublerdiesel.com

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


  3. Top Of Page | #3
    HKBIGDADDYDIESELDAN's Avatar

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    Re: Rev limit max

    Quote Originally Posted by Double R Diesel View Post
    3500 is the limit I set on a stock truck. Above that requires some serious hard part modifications such, valve springs, push rod, and even connecting rod upgrades...not to mention the factory turbo is well out of its power band at that range as well.

    Ray
    Double R Diesel, LLC
    www.doublerdiesel.com
    Once again Ray from Double R Diesel is the answer man

    2012 Cummins Ram 6.7L MM3 tuner full 5" Flo Pro TBE Exhaust LWBCC 4x4 Mag Hytec Double Deep Transmission Pan , Mag Hytec Rear Diff Cover
    Airlift part # 57595 7500lbs airbags ,Nitto Ridge Grapplers 35/12.50/20 on XD 829 Big Hoss ll Satin Black Machined Dark Tint 20 x 9 with + 18 offset rims,MM3 Tuner With full Custom Tunes by Ray at DRD , Autometer A13117 Pillar Pod , Edge 98004 mount adapter , Mag Hytec front diff cover, SuperNova V4 LED Headlight Bulbs

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  5. Top Of Page | #4
    Basic Member 600HPCummins's Avatar

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    Re: Rev limit max

    Thank you, i appreciate it . Gonna leave it alone and be safe.

    Sent from my SAMSUNG-SM-G930A using Tapatalk


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  7. Top Of Page | #5
    Permanent Vacation Calibrated Addiction's Avatar

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    Re: Rev limit max

    Just like rRay said 3500 is about all you want. Basically at 3650 you are floating. Valve train upgrade and I'm not scared of 4000+ just not on the whimpy Stock VGT turbo


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  9. Top Of Page | #6
    HKBIGDADDYDIESELDAN's Avatar

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    Re: Rev limit max

    Quote Originally Posted by Double R Diesel View Post
    3500 is the limit I set on a stock truck. Above that requires some serious hard part modifications such, valve springs, push rod, and even connecting rod upgrades...not to mention the factory turbo is well out of its power band at that range as well.

    Ray
    Double R Diesel, LLC
    www.doublerdiesel.com
    Dang gone 3500 rpm is really running the motor hard it sounds like to me

    2012 Cummins Ram 6.7L MM3 tuner full 5" Flo Pro TBE Exhaust LWBCC 4x4 Mag Hytec Double Deep Transmission Pan , Mag Hytec Rear Diff Cover
    Airlift part # 57595 7500lbs airbags ,Nitto Ridge Grapplers 35/12.50/20 on XD 829 Big Hoss ll Satin Black Machined Dark Tint 20 x 9 with + 18 offset rims,MM3 Tuner With full Custom Tunes by Ray at DRD , Autometer A13117 Pillar Pod , Edge 98004 mount adapter , Mag Hytec front diff cover, SuperNova V4 LED Headlight Bulbs

  10. Top Of Page | #7

    Re: Rev limit max

    Can the rev limit be adjusted with a MM3 programmed by DRD?

    I just purchased one and will be installing it next weekend.

    Thanks for the great info on here!


  11. Top Of Page | #8
    DRD's Avatar

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    Re: Rev limit max

    Quote Originally Posted by 110DAVE View Post
    Can the rev limit be adjusted with a MM3 programmed by DRD?

    I just purchased one and will be installing it next weekend.

    Thanks for the great info on here!
    We set the rev limiter based upon the mods and intended use.

    Rev limits are not user adjustable.

    Ray,
    Double R Diesel

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


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