MXS Hot Codes

Discussion in 'Trucks [ Eighteen Wheelers ]' started by TC30THZ, Nov 25, 2008.

  1. DDS

    DDS Medium Load Member

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    May 20, 2008
    Toronto
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    I have played with the intake actuator lash settings. Tring to get the valve to close quicker. You can go up in lash setting to a point but if you go further you get a ticking noise. Driver's say they notice a difference but I have not dynoed to confirm changes.
     
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  3. heavyhauler18825

    heavyhauler18825 Bobtail Member

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    Dec 21, 2011
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    What are you calling a older ecm I have 06 Pet 475 mxs trying to get better millage just had the ecm burn reset timing & activator valves set hp @ 625
     
  4. Mr. Haney

    Mr. Haney Road Train Member

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    Dec 17, 2008
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    You will not see any fuel mileage or Hp gain with this file in a MXS 475 or 550 Hp engine. In fact you will experience a fuel mileage and power loss with this modification.

    The reason has been stated many times on the message board. The problem is the hard parts in a 625 engine are different than the 550 or low Hp engines.

    Good luck
     
  5. heavyhauler18825

    heavyhauler18825 Bobtail Member

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    Dec 21, 2011
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    the torque was set @2050 not 2250lb I have seen a grate deal more power and a little better milage the next step is to do the injector codes which is why I asked about the ecm all input is welcome
     
  6. pullingtrucker

    pullingtrucker Road Train Member

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    Dec 21, 2008
    Fostoria, Ohio
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    Do some research on this forum and you will see why Mr. Haney said "Good luck." As for the injector trim codes...you do you realize they are not the old 4 digit codes. The ACERT engines have a 13 digit alpha-numeric injector code that no one has been able to break or even come close to understanding.
     
  7. Far_Call

    Far_Call Medium Load Member

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    Aug 21, 2009
    Australia
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    Is that Right ????????:biggrin_2554:
     
  8. pullingtrucker

    pullingtrucker Road Train Member

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    Dec 21, 2008
    Fostoria, Ohio
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    I wasn't sure if you had them figured out yet...I guess I'm wrong my bad. How soon till I can get you to ship me a set of flowed and balanced injectors to play with?
     
  9. Far_Call

    Far_Call Medium Load Member

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    Aug 21, 2009
    Australia
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    Nothing hard about the Acert Injectors actually. My problem in OZ is getting Core injectors as they are no so easy to find. Well enough to send them OS that is without replacements.
    If you can find me some Cores I would be happy to do the odd set..
     
  10. HISPEED428

    HISPEED428 Light Load Member

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    Mar 28, 2009
    Plum Coulee,MB
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    So Far Call, I got an NXS 625 with 5 oem and one reman injector. Can you work your magic on them???
     
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