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Where to mount the PCM in my Fox Mustang

Discussion in 'LS1, LS2, LS6, LT1, SBC Turbo and other GM Specfic Turbo Tech' started by TDmkr496, Oct 28, 2013.

  1. TDmkr496

    Joined:
    Dec 11, 2009
    I'm building an 88 Mustang with a 5.3, anyone have any ideas on where to mount my PCM? I'm keeping my HVAC box, so thats out....Need some suggestions.
     
    TDmkr496, Oct 28, 2013
    #1

  2. TTF/Ken Staff Member

    Joined:
    Dec 31, 2011
    Any reason why it can't go behind the passenger side kick panel?
     
    TTF/Ken, Oct 29, 2013
    #2

  3. TDmkr496

    Joined:
    Dec 11, 2009
    The PCM is easily twice as big as the original ECM Ford used. I am going to remove part of the AC box, all it does is select from outside or inside of the car. It will also give me a place to mount the relay center and a new fuse panel for accessories.

    ECM.png #ad
     
    TDmkr496, Oct 29, 2013
    #3

  4. TDmkr496

    Joined:
    Dec 11, 2009
    Cant do that either, I'll lose the blower motor. ugh.
     
    TDmkr496, Oct 29, 2013
    #4

  5. TTF/Ken Staff Member

    Joined:
    Dec 31, 2011
    Well that stinks, and it is huge! I guess worst case you can mount it up on the firewall, low down where the passenger's feet are, or on the passenger floor itself? Maybe under the carpet (though you'll have to figure out some sort of cover to protect it and keep it from moving). Or get one of those plastic boxes at Radio Shack or online, and put it on the outside of the passenger kick panel. It'll be ugly, but it'll work!
     
    TTF/Ken, Oct 29, 2013
    #5

  6. TDmkr496

    Joined:
    Dec 11, 2009
    So I'm down to two choices pretty much. I think I'm going to have to put it either on the passenger side floor (where your feet go) or on the side of kick panel. Thats it. This fucker is huge bitch!
     
    TDmkr496, Oct 30, 2013
    #6

  7. ewoogy

    Joined:
    Aug 4, 2011
    Put it on the transmission hump behind the radio. Mine has plenty of room in that spot. Unless the a/c box takes up that area I can't remember.

    Eric
     
    ewoogy, Oct 30, 2013
    #7

  8. TDmkr496

    Joined:
    Dec 11, 2009
    Already thought of that, the A/C box takes that space up.
     
    TDmkr496, Oct 30, 2013
    #8

  9. racerdain

    Joined:
    Jan 30, 2004
    Why not in the engine bay, pass side behind the strut tower? GM put them out there so you shouldn't have any problems with weather, paint it black so its a little more attractive and it's out of your way.
     
    racerdain, Oct 30, 2013
    #9

  10. TDmkr496

    Joined:
    Dec 11, 2009
    Lol, its too big, it would stick out like a sore thumb. I'll take some pictures tomorrow.
     
    TDmkr496, Oct 30, 2013
    #10
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