Originally Posted by LantanaTX
It is a good thing that I like a challenge. Since both the stock and donor ECU are Bosch 2.8's I wonder if the V6 ECU could be programmed with the V8 map/software? This would be ideal since the V6 ECU is already coded to the car, keys/VIN ect.
It's not just the ECU "eprom" that you need to reprogam... You need to deal with the PCM as well... This runs your fuel pump, auto trans, etc... Then you have to deal with the BCM which integrates all of your accessories...
Take a good read of the "electronics / sensor" section of the maintainance manual... This should give you and idea of how the systems are completely integrated...