3406e-5ek HP upgrade

Discussion in 'Trucks [ Eighteen Wheelers ]' started by WallyGator, Nov 23, 2008.

  1. kaliga1961

    kaliga1961 Bobtail Member

    4
    0
    Jan 27, 2009
    glenfield,new york
    0
    im only getting 24to 25lbs of boost I put 5232 inj codes in and fuel temp wire on has alot more power but egt's gets up to 1100 easy .
     
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  3. dieseldiesel

    dieseldiesel Bobtail Member

    13
    1
    Jan 31, 2009
    Utah
    0
    You can ad cam and injectors with some tuning. you will also nee to do a turbo if you want more than 50 horse power
     
  4. DDS

    DDS Medium Load Member

    519
    177
    May 20, 2008
    Toronto
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    Injector codes and fuel wire should not make that engine run 1100 egts. Your boost sounds low, have you checked your air to air cooler? Have you checked your waste gate and turbo?
     
  5. kaliga1961

    kaliga1961 Bobtail Member

    4
    0
    Jan 27, 2009
    glenfield,new york
    0
    my turbo and aftercooler are new 1year ago,I had the waste gate checked last fall everthing checked out ok,maybe my pyro is off? my turbo# is 0R7205 can I put a475/550 turbo #0R7923 on? and my injectors are#10R-2781 can I put in 10R0957 ?,would I have to do anything to the ECM? and what cam would you recomend? thanks.
     
  6. Diesel Dave

    Diesel Dave Last Few of the OUTLAWS

    7,132
    13,776
    Jan 20, 2010
    Hesperia, Ca.
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    Im new on here and from California, my question is I have a 94 379 pete 3406E 435hp "5EK01758" 13 over 3.70 rears . The motor has bout 160,000 miles since inframe and runs great, 7 mpg average. I cruise it around 1350 1400 and on a pull bout 1600. I've been told to kick it up bout 1900 to 2100rpms. The valves have single spring and im worried to much rpm will hurt them. Anyways, aren't Cat's suppose to run all low rpms ? As any owner operator, I WANT MORE POWER !!! and I know when to use it also. I have read most of the threads on here and see all the options. I just need to find a shop in So. Cal., that can get into the ecm's password to do any changes. The last time I had the overhead run the shop was trying to upgraded to a 450 but couldn't get the password. But I want to find a shop that will tweek it out to it's all potential, after driving for 30 years, I do drive with one eye on the gauges RELIGIOUSLY. I have a small wallet lately and can't afford any major expenses. But for MORE POWER, I could spare a few dollars. Your Feed back would be greatly appreciated.
     
    Last edited: Jan 21, 2010
  7. Diesel Dave

    Diesel Dave Last Few of the OUTLAWS

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    13,776
    Jan 20, 2010
    Hesperia, Ca.
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    No one ever read my thread. Didn't see any replies.:biggrin_25513:
     
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  8. Les2

    Les2 Road Train Member

    5,150
    2,288
    Jul 25, 2008
    kicked back in my lazyboy...
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    You don't need that high of RPM's and if your getting 7mpg's, keep doing what your doing. it seems to be working.

    My dad has the 5ek that was a 455hp then rebuilt to a 550hp, big difference! Better mpg's and alot more power!
     
  9. mct_43

    mct_43 Bobtail Member

    2
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    Jul 12, 2016
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    I'm not too familiar with E models Cats I was wondering if anyone could help me out. If a guy had a '99 Pete and wanted to go from 475 to 550 hp with a 3406E (5EK) would he need certain injectors put in? Or would he be alright just going thru the ECM?
     
  10. mct_43

    mct_43 Bobtail Member

    2
    0
    Jul 12, 2016
    0
    I'm not too familiar with E model Cats maybe someone can help me out. If a guy had a '99 Pete with a 3406E (5EK) and wanted to go from 475 to 550 hp would he need certain injectors put in? Turbo? Thanks.
     
  11. special-k

    special-k Road Train Member

    1,512
    3,227
    Dec 27, 2008
    Southern Ontario Canada
    0
    Should be able to do it with just a reflash. My 2000 was a 2ws and didnt need any hard parts changed.
     
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