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GT500 6R80 Swap how to.

Discussion in 'SVT Shelby GT500' started by sleek98, Nov 28, 2016.

  1. sleek98

    sleek98 Well-Known Member Established Member

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    You would need a 13/14 coyote pcm and shifter to keep your track apps.
     
  2. dfroehli

    dfroehli Member Established Member

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    would that still be the case if i went with PBH standalone ?
     
  3. sleek98

    sleek98 Well-Known Member Established Member

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    No need for the stand alone harness from them. The 13/14 PCM plugs right into your 2013 once you change the transmission harness. You will need to wire in the oil pressure sender and the select shift wires as they are not on your Gt500.

    The stand alone they sell is more for older cars like fox bodies, sn95s and non fords I believe.
     
  4. sleek98

    sleek98 Well-Known Member Established Member

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    Got it up on the dyno to dial in the new tune.

    swapped in the auto and went from a 67mm throttle body to a 72mm throttle body, pulled out 5 degrees of timing to make the tune alot safer and lost about 40-45 hp.

    Not bad was expecting to lose 50-60.
     
    Last edited: Feb 24, 2017
  5. sleek98

    sleek98 Well-Known Member Established Member

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    Well it drives fine around town but I can't seem to get it to shift under wot.
     
  6. sleek98

    sleek98 Well-Known Member Established Member

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    Couple tune updates and it is back in business. Its a wild ride now.
     
  7. michael kent

    michael kent New Member Established Member

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    Im doing a swap on an 07. Does anyone know if the engine harness is compatible with the trans harness. Im having a hard time making progress here i need some help for sure. I can find the info on what to do... the rest of the cars ready to go i just gotta wire it and im waiting on my computer to come in.

    Sent from my SM-G920T using the svtperformance.com mobile app
     
  8. michael kent

    michael kent New Member Established Member

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    Sent from my SM-G920T using the svtperformance.com mobile app
     
  9. WCA

    WCA Member Established Member

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    I added this info on another thread and thought it could be helpful here:
    The shifter harness from Ford for the 13-14 Select Shift is Motorcraft WPT-949.
    The pins with wires attached for the cavitys in the PCM plug are Ford DU2Z14474BA or Motorcraft WT-1001.
    I bought a 3 wire cable on ebay to run from PCM to shifter: 25' Carol C2831.41.10, 3 Conductor 18 Gauge Unshielded Cable ~ 3C 18AWG.
    I ran the cable under the battery to where the car wire harness goes into the cabin. Remove the plastic shield to get to it. There is a nipple on the rubber you cut and run the cable through.
    Mine works fine shifting up and down with the switch on the 13-14 shifter.
    I will try and add pics.
     
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  10. WCA

    WCA Member Established Member

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    1229170749a.jpg
    PCM body connector.
    1229170749.jpg
    Pop the white cover off.
    1229170748.jpg
    1229170753.jpg
    Use a tiny screwdriver to pop out the plastic in the wells for the new pins.
    1229170747a.jpg
    The two green wires at top are for up and down shift. Its hard to see the common wire. I will add pin numbers.
     
    Last edited: Jan 22, 2018
    tvspower, sleek98 and lexustech48 like this.
  11. sleek98

    sleek98 Well-Known Member Established Member

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    Thanks, I was going to add that when I got it done this spring. The pin part number is helpful.

    Pin 23 is upshift
    Pin 24 is downshift
    Pin 56 is the common wire (although the 2011/2012 should have a green/white wire there as its listed as fuel tank pressure sensor, and 2013/2014 listed as ride control switch return)

    @WCA did you have a wire already in pin 56?
     
    Last edited: Jan 23, 2018
  12. WCA

    WCA Member Established Member

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    I added this info on another thread and thought it could be he
    Yes, I tapped into the wire at pin 56.
     
    Last edited: Jan 24, 2018
  13. WCA

    WCA Member Established Member

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    pcm.png

    Harness connector C175B to the PCM. (Bottom plug) showing the pin locations.
     
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  14. boorah

    boorah Under Pressure Established Member

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    What did you do for the clutch start/neutral safety change?
     
  15. lexustech48

    lexustech48 RIP FoMoCo 1903-2014 Premium Member Established Member

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    You'd probably have to wire the neutral safety switch to the PRNDL switch on the shifter. I *believe* that the Park and Neutral positions in the PRNDL are a simple close switch like the neutral safety.
     
  16. sleek98

    sleek98 Well-Known Member Established Member

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    If you use the coyote pcm you don’t have to do anything but unplug it.

    The pcm will see that the car is in park or neutral and allow it to start.
     
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  17. boorah

    boorah Under Pressure Established Member

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    Awesome thank you!!
     

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