Ford Mustang Forum banner


  1. Speedometer not working after trans swap

    4.6L Tech
    Hey guys. I have 1999 mustang GT that started its life as an automatic and was recently converted to a manual. The transmission used was a TR-3650 out of a 2003 Mach 1. Everything went pretty smooth however i cannot get my speedo to work at all. Its still the factory Auto ECU custom tuned for...
  2. 2001 4R70W swap into Thunderbird?

    V6 Tech
    Hello, First off, this could be the totally wrong place to post this, so Mods, feel free to move me if necessary. But anyway, I've recently been considering adding another Ford to the corral, most likely in the form of a 94-97 4.6L Thunderbird. I see them around from time to time going for cheap...
  3. rebuilt trans still slipping, help

    4.6L Tech
    i have an auto 2001 gt and it started slipping so i rebuilt it with a kit from the ford dealer but they supplied no steel plates and i had to reuse some o rings and some gaskets. started it up, and reverse slipped so bad it was unusable, and overdrive slipped too. took it back apart, got a kit...
  4. 1998 Mustang GT Delayed 2-3 shift

    4.6L Tech
    I have a 1998 Ford Mustang GT 4.6liter, with the 4R70W transmission. My problem is an intermittent delay of up-shifting from gears 2-3. There are slight patterns that I have noticed, that can affect how this problem occurs, or doesn't: If I use VERY light gas peddle, literally just...
  5. 4R70W Transmission Fluid

    4.6L Talk
    I've seen a few threads about the problem I've had a few times these last months, so I just want to share my story/experience. I will not post a step-by-step guide on how to do this. I will not recommend this unless you are mechanically inclined or have someone who is with you to help. I've now...
  6. 4r70w stand alone control harness

    2005-2010 Mustang GT Tech
    Anyone here have experience with on of these? I'm looking to buy one but not for my mustang... Another project I'm looking at is a 1999 f150 reg cab stepside. Looking to drop in a 5.0 DOHC crate motor and putting a 4r70w behind it. Engine and trans will fit. But I've been told I wont be able to...
  7. What model and year 4R70W transmissions are compaitible with a 1998 4.6 Mustang?

    4.6L Tech
    :waveyHello all, I have a 1998 Mustang GT 4.6 and am needing (as far as I know right now) to replace the transmission. It is the 4R70W automatic and I've looked around to see what my options were, I have seen information telling me conflicting stories. Can anyone tell me what year and model...
  8. AOD Swap - 2003 4R70W bolt pattern fit 351W?

    Classic Tech
    I'm looking at doing a tranny swap in my 67 Mustang. I've got a 1970's 351W motor. I've found a 4R70W AOD from a 2003 V8 Mustang. Does anyone know if the bolt pattern matches a 351W for a direct bolt in fit???? I realize I'll have to add an electronic control module and some other minor...