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Tuning 3406E

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Yoshi470, May 13, 2020.

  1. May 13, 2020 #1
    Yoshi470

    Yoshi470 Bobtail Member

    6
    0
    May 13, 2020
    0
    Hello All, first time poster here long and had a few questions on tuning/re rating my 1LW 3406e engine. It’s currently set at 475 as far as my knowledge goes. I ran the the overhead on it today and looked at the injectors and they are part #1408993. Ive heard a lot of talk about “57” “58” injectors. Just curious what category my injectors fall under? Looking to add around 100hp or so. I’ve read that the older 40 pin ECMs can be hard to tune and sometimes you ruin them trying to tune/re rate them. And idea what the best route to go would be to get another 100hp or so? Thanks!
     
    Yoshi470, May 13, 2020
    Yoshi470, May 13, 2020
    #1
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  3. May 17, 2020 #2
    lynchy

    lynchy Light Load Member

    151
    631
    Oct 18, 2010
    off the grid
    0
    Followed this guy on u tube a while,knows his stuff?
     
    lynchy, May 17, 2020
    lynchy, May 17, 2020
    #2
  4. May 20, 2020 #3
    Yoshi470

    Yoshi470 Bobtail Member

    6
    0
    May 13, 2020
    0
    Does anyone have access to a pre low nox 550 file? I believe the flash file number I’m looking for is 1708226. Thanks
     
    Yoshi470, May 20, 2020
    Yoshi470, May 20, 2020
    #3
  5. May 20, 2020 #4
    Yoshi470

    Yoshi470 Bobtail Member

    6
    0
    May 13, 2020
    0
    Does anyone have access to a pre low nox 550 file? I believe the flash file number I’m looking for is 1708226. Thanks
     
    Yoshi470, May 20, 2020
    Yoshi470, May 20, 2020
    #4
  7. May 21, 2020 #5
    aaronpeterbilt3787

    aaronpeterbilt3787 Medium Load Member

    699
    1,077
    Apr 2, 2016
    0
    Where are you from? I know a guy, but he’s in Ontario Canada.
     
    aaronpeterbilt3787, May 21, 2020
    aaronpeterbilt3787, May 21, 2020
    #5
  8. May 21, 2020 #6
    Yoshi470

    Yoshi470 Bobtail Member

    6
    0
    May 13, 2020
    0
    I’m from Wisconsin. Is it possible to even put an older pre low nox file flash into the ecm? I’ve read it’s difficult to get those older flash files to upload once a newer low nox files has been uploaded.
     
    Yoshi470, May 21, 2020
    Yoshi470, May 21, 2020
    #6
  9. May 22, 2020 #7
    lester

    lester Midwest's #1 Feed Hauler

    2,814
    7,473
    Jan 2, 2012
    NW, Iowa
    0
    No a 1LW is no problem
     
    lester, May 22, 2020
    lester, May 22, 2020
    #7
  10. Jun 5, 2020 #8
    Kw t2000 cat

    Kw t2000 cat Bobtail Member

    2
    0
    Aug 31, 2017
    0
    Hi I'm Costa Rica
    I own a 475Hp 1750 torq 3406E 1LW 25991
    The question is: Does this engine has a Low Nox in the ECM already?
    If so does this files cause to derate the hp while driving?
    Long story short: The truck sometimes feels and shows good power 30psi on turbo but sometimes it only gets 22psi no matter what I do or how I drive it...

    Infrared gun shows 140° fuel temp on the tank surface
    No check engine light on
    6999 trim codes installed
    A bit of black smoke
    New turbo
    I haven't measured fuel pressure yet

    Thanks from Costa Rica
    Stay safe,be safe,drive hard...
     
    Kw t2000 cat, Jun 5, 2020
    Kw t2000 cat, Jun 5, 2020
    #8
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