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Ford remaps 5.4 transmission

Discussion in 'Ford Raptor Engine Discussion and Performance Mods' started by whtrapta, Jul 19, 2011.

  1. whtrapta

    whtrapta Ostrich Wrangler

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    I brought my truck in to get the clunk fixed. They looked and my drive shaft wasn't clunking. They DID notice that ford has sent out a computer update for the 5.4 transmission. It supposedly changed the way the clutch acts, and shift mapping up and down through the gears. I got but had to immediately go to work which was right around the corner, so no test drive. Later that night heading home I got to see the difference.
    HOLY GOD! Its so much better now. There is no gear hunting, regular driving shifts are firmer, but much smoother. I did a 0-75 pull and DAMN! It sets you back in the seat pretty hard now. I jumped on the highway and the dreaded lag time when passing is no longer. Throttle is immediate and shifts to the CORRECT gear the first time. Everyone with a 5.4, get your truck to the dealer!
     
  2. IRONMAN

    IRONMAN Administrator Staff Member Admin Super Mod

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    Hmmmm well I do have the 5 star tuner wonder if I should do this or they will notice I have had a tune.
     
  3. Droid

    Droid kglesq's Brother

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    ...and trade it in on a 6.2! :lol: (j/k)

    I don't know how Fords work in this regard, but my best guess would be it gets overwritten. Not sure if Fords have separate programs for transmission and engine control....99-06 GM fullsizes had one shared program/calibration, but 07+ had separate items for ECM and TCM. ]

    Reverting to stock would be the best bet. Trouble is that when you apply the 5-star tune afterward you may wind up with the old TCM calibrations again. I'd suggest calling 5-star on it.
     
  4. Raptor Retrofit

    Raptor Retrofit HID Specialist Supporting Vendor Supporting Member

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    Good info bro, thanks. Im calling my dealer tomorrow.
     
  5. jdowens1

    jdowens1 Ford Senior Master Technician

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    A lot of tunes can be picked up by Ford Computer that technicians use if they look for it. Before you have ford do any programming you will always want to remove your program and return it to stock. Some programs once the program is written and a dealer reprograms it can leave you with a blank tuner. I am not sure if that is how the 5star will work but I've seen it happen many times with Edge products. If your tune changes the trans shift strategy you might not notice a difference with the Ford update but only way to find out is give it a try.
     
  6. Raptor Retrofit

    Raptor Retrofit HID Specialist Supporting Vendor Supporting Member

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    So are there any reference numbers for this. The guys at my dealership are clueless. I can almost guarantee the will know nothing about it.
     
  7. whtrapta

    whtrapta Ostrich Wrangler

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    No, they just told me what it does on the phone. they said it helps "some" of the trucks. It worked on mine for sure so it should work on all 5.4 raptors.
     
  8. IRONMAN

    IRONMAN Administrator Staff Member Admin Super Mod

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    I would definitely plan on returning the truck back to stock, just the hmm factor of should I with the possiblity of them finding out I was using one.
     
  9. BIRDMAN

    BIRDMAN Birdministrator Staff Member Admin

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    can we get one of the techs to look in to this for us?
     
  10. whtrapta

    whtrapta Ostrich Wrangler

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    I believe YOUR avatar says admin, sooo your the one with the contacts :D
     

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