detroit differences

Discussion in 'Western Star Forum' started by starmac, Oct 10, 2019.

  1. starmac

    starmac Road Train Member

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    I am looking at an 06 star with what he claims is a 12.7, 515 detroit in it. What differences can I expect from a 99 that I own, I am sure they have added some junk in between the years.
     
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  3. AModelCat

    AModelCat Road Train Member

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    12.7L wouldn't be in a 2006 unless it was transplanted. Even then I believe the 12.7L was a 500hp engine. If its got EGR, its a 14L.
     
    Last edited: Oct 10, 2019
  4. swaan

    swaan Road Train Member

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    If its rated at 515 then it's a 14l
    06 should be a 14L ddec5 egr engine
     
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  5. swaan

    swaan Road Train Member

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    I'm my honest opinion the ddec4 you had in the 99 was a way better engine.

    You will notice way less fuel mileage and higher repair costs because of egr, vgt turbo and the actuators that go along with that BS
     
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  6. starmac

    starmac Road Train Member

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    Ok, I knew it would have an egr, and have heard there is easy work arounds for it, I did not know and do not like the sound of the vgt turbo and actuators, that lessons my interest in it a bunch.
     
  7. Swine hauler

    Swine hauler Light Load Member

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    Starmac i have the 05 version 12.7, 455hp and the turbo and actuator have never caused me a lick of trouble. Or the motor.

    i swapped out the turbo and actuator at 750k only because I haul pigs and CAN'T be on the side of road ( I have a very conservative predictive maintenance program that I am well aware costs me money by changing parts prematurely, but you can loose your whole business by delivering a load of dead pigs, so it's worth it, to me.)

    But my point is i wouldn't be afraid of it. Who knows i might have taken them over 1.0 mill.

    The engine runs great , I have never been in it except for overheads, and it uses no oil between changes.
     
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  8. AModelCat

    AModelCat Road Train Member

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    I never knew there was a 12.7L EGR Series 60. I was under the impression that the 12.7L disappeared once EGR came on scene. They did make a 14L pre-EGR Series 60 for a few years though.
     
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  9. Swine hauler

    Swine hauler Light Load Member

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    Ya, I think ddec v 12.7 lasted until 2007 , or maybe until the 2nd generation of emmision control. I' ll have to look up the year.
     
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  10. AModelCat

    AModelCat Road Train Member

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    According to Wikipedia they made the 12.7L until 2007. Cool I didn't know that.
     
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  11. Swine hauler

    Swine hauler Light Load Member

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    Just looked it up: 2007 was the last year for the 12.7 .I

    14.1l and dpf for model year 2008.
     
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