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Anyone know the 14L Detroit S60 Injection Pressure?

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by rbrauns, Oct 24, 2019.

  1. Oct 24, 2019 #1
    rbrauns

    rbrauns Light Load Member

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    Just curious, but does anyone here know how much pressure the late model EGR Detroit Series 14L injectors generate? I read that the newer common rail engines run at 25,000 PSI or more so I"m wondering what the older unit style injectors could achieve.
     
    rbrauns, Oct 24, 2019
    rbrauns, Oct 24, 2019
    #1
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  3. Oct 25, 2019 #2
    swaan

    swaan Road Train Member

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    Same. Around 28,000 psi. That injector rocker off the camshaft lobe can make lots pressure.
     
    swaan, Oct 25, 2019
    swaan, Oct 25, 2019
    #2
    pushbroom Thanks this.
  4. Oct 25, 2019 #3
    swaan

    swaan Road Train Member

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    Common rail is over 30,000 psi on some applications and more.
     
    swaan, Oct 25, 2019
    swaan, Oct 25, 2019
    #3
  5. Oct 25, 2019 #4
    THEONEANDONLYMADDOG

    THEONEANDONLYMADDOG Bobtail Member

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    Yep 28,000 is correct..
     
    THEONEANDONLYMADDOG, Oct 25, 2019
    THEONEANDONLYMADDOG, Oct 25, 2019
    #4
  7. Oct 25, 2019 #5
    rbrauns

    rbrauns Light Load Member

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    Thanks to everyone for your responses. I thought that the older unit injectors only managed 3,000 psi. Now I know better.
     
    rbrauns, Oct 25, 2019
    rbrauns, Oct 25, 2019
    #5
  8. Oct 25, 2019 #6
    swaan

    swaan Road Train Member

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    Maybe your thinking 7.3 powerstroke .
    High pressure oil firing the intensifier piston in injector gets up to 2800 psi or so. But the fuel coming out the nozzles is much much higher.
     
    swaan, Oct 25, 2019
    swaan, Oct 25, 2019
    #6
  9. Oct 25, 2019 #7
    THEONEANDONLYMADDOG

    THEONEANDONLYMADDOG Bobtail Member

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    Jeesus Swaan, dude you tuned into my brain or something??
    Lol I was reading his post and was thinking that and scrolled to see you already answered
     
    THEONEANDONLYMADDOG, Oct 25, 2019
    THEONEANDONLYMADDOG, Oct 25, 2019
    #7
    swaan Thanks this.
  10. Oct 25, 2019 #8
    AModelCat

    AModelCat Road Train Member

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    I didn't think mechanical electronic fuel injectors put that much pressure out! Unfortunately I caught the tail end of that technology.
     
    AModelCat, Oct 25, 2019
    AModelCat, Oct 25, 2019
    #8
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