C15 low power

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Harper60, Dec 10, 2018.

  1. Cam Roberts

    Cam Roberts Road Train Member

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    You don’t sound too enthused at all man. Sorry to hear that. You didn’t get boost or power back?
    You don’t need to haul a load to see if it’s fixed. You should be able to pull full boost at lower rpm in higher gear. It either runs like a raped ape and pulling boost or its running like crap or still the same pretty much
     
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  3. Harper60

    Harper60 Bobtail Member

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    Well it seems to be way better but it's hard to tell until I get it loaded. My boost is up maybe 5 psi and I'm seeing hotter egts, I was running 600 degrees loaded, now im seeing 650 unloaded hotrodding. It's just hard to tell seeing that I just bought the truck with nothing to compare to, I'm getting some more black smoke down low,( which I know doesn't mean more power lol) but means its at least getting more fuel which seemed to be part of the problem
     
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  4. Brettj3876

    Brettj3876 Road Train Member

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    I don't know much about those yellow things but 650 seems low on the pyro still. Stock our E-7s won't get above 850 but throw some fuel to them and you'll see 1000+

    You said it has a tune also, 650 seems low to me. Pulling a full load up hill even lugging it a bit all you see is 650?
     
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  5. Brettj3876

    Brettj3876 Road Train Member

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    And the low NOX file I'm betting is in it
     
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  6. Harper60

    Harper60 Bobtail Member

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    Yeah maybe it got to 650 barely but that's it, it doesn't have a tune, I just changed the engine file from 475hp 1650tq to 500hp 1850tq. But I've been driving it around bobtail and I'm actually not seeing better boost, I guess my eyes were just seeing something. I'm stumped now
     
  7. Cam Roberts

    Cam Roberts Road Train Member

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    Any cat dealers near you? At this point just go haul a load and see how she runs to be sure
     
  8. Harper60

    Harper60 Bobtail Member

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    Bout 2 1/2 hours away
     
  9. Cam Roberts

    Cam Roberts Road Train Member

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    Pull a load first like initially wanted to do. See what it does
     
  10. Cam Roberts

    Cam Roberts Road Train Member

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    Where are you located?
     
  11. Harper60

    Harper60 Bobtail Member

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    10-4, I'll report back. Sureeee do miss my old truck now lol
     
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