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14 Liter Detroit EGR ECM on 12.7 liter Engine

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Smellfunny, Apr 3, 2017.

  1. Apr 3, 2017 #1
    Smellfunny

    Smellfunny Road Train Member

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    Can you use a 14 liter ECM on a 12.7 engine for test purposes only? Both are DDEC 5 and EGR engines.
     
    Smellfunny, Apr 3, 2017
    Smellfunny, Apr 3, 2017
    #1
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  3. Apr 3, 2017 #2
    benjamin260_6

    benjamin260_6 Medium Load Member

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    If they're both DDEC 5 engines it should run off it with no problems. It might not be set up for that truck though so things like throttle and cruise control might not work
     
    benjamin260_6, Apr 3, 2017
    benjamin260_6, Apr 3, 2017
    #2
    Smellfunny Thanks this.
  4. Apr 3, 2017 #3
    Smellfunny

    Smellfunny Road Train Member

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    I didn't know if there was any timing differences. I called WW Williams and 2 people I spoke to didn't even know there were 12.7 EGR motors. SMH
     
    Smellfunny, Apr 3, 2017
    Smellfunny, Apr 3, 2017
    #3
  5. Apr 4, 2017 #4
    benjamin260_6

    benjamin260_6 Medium Load Member

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    Most places you go, they either don't know that there was a 12.7 EGR engine or they don't know there was a 14 pre-EGR engine...or both.
     
    benjamin260_6, Apr 4, 2017
    benjamin260_6, Apr 4, 2017
    #4
    Smellfunny and Peterbiltt Thank this.
  7. Apr 4, 2017 #5
    little cat 500

    little cat 500 Road Train Member

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    it will work ecm might be set up for the wrong truck but motor will run fine
     
    little cat 500, Apr 4, 2017
    little cat 500, Apr 4, 2017
    #5
    Smellfunny Thanks this.
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