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
    0
    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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    26
    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

    412
    444
    Aug 8, 2012
    Ontario, Canada
    0
    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

    82
    26
    Dec 14, 2011
    WI
    0
    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

    14
    6
    Nov 30, 2018
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    7860 to 5915
     
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