Detroit 12.7 Injector Choice??

Discussion in 'Trucks [ Eighteen Wheelers ]' started by areelius, Sep 30, 2015.

  1. benjamin260_6

    benjamin260_6 Medium Load Member

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    Aug 8, 2012
    Ontario, Canada
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    Are you sure about that injector number? I have no listing for it and I'm pretty sure I have them all. Who did the programming for you? I've seen lots of guys who get a 550 14L program put in a 12.7 which won't increase power
     
    swaan Thanks this.
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  3. 86coe

    86coe Bobtail Member

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    Jan 26, 2018
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    Anyone have the contact info for leon? It's an old thread I know but trying to contact him. You could send it by text or call me at 502-758-2341 also. Thanks
     
  4. rrw811

    rrw811 Light Load Member

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    Dec 14, 2011
    WI
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    Lots of great info on this thread. I'm working on a couple 12.7 right now. One is a 2003 with the egr "fixed" it has R5237820 injectors and R23531256 cam. I'm going to be replacing the injectors, can I install the 5915 injectors in it? It was a 430hp from factory, is there a better cam option? Would the 4912 work? Any info is appreciated! Would've started a new thread, but nice to keep all this awesome info in one place. Thanks
     
  5. benjamin260_6

    benjamin260_6 Medium Load Member

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    Aug 8, 2012
    Ontario, Canada
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    You can switch to 5915 injectors but they're smaller than the 7820s so you'll lose power.
     
    swaan Thanks this.
  6. rrw811

    rrw811 Light Load Member

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    Dec 14, 2011
    WI
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    Ok thanks, I couldn't find any info on the 7820s. That's good to know. Anyone know if there's a better/ more efficient cam I could run?
     
  7. Tractor-trailer

    Tractor-trailer Bobtail Member

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    Nov 30, 2018
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    7860 to 5915
     
  8. Tmac_dunks

    Tmac_dunks Bobtail Member

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    Jul 2, 2020
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  9. Tmac_dunks

    Tmac_dunks Bobtail Member

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    Jul 2, 2020
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    Hi, I am looking for his contact info as well. Are you able to pm as well
     
  10. little cat 500

    little cat 500 Road Train Member

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    Jan 17, 2010
    Abbottstown PA
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    what's a 6952 injector comparable to i have 7650s in motor
     
  11. DDguy

    DDguy Light Load Member

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    Apr 21, 2020
    Ont. Canada
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    looks like the 7650 and 6952 are very similar flow
     
    little cat 500 Thanks this.
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