Originally Posted by shiv@vishnu
Shiv, thanks alot for that explanation. Im still not sure that I understand why a tuner with a thorough understanding of the stock ecu and how to access its key functionality wouldnt have an advantage over the exede programmer. If, however, the exede developer can access ALL functionality with as much granularity/resolution regarding power production on these engines as with the stock ECU, then its significantly different from Unichip systems, and is a true breakthrough. Its very exciting, and you seem to have an excellent grasp of whats involved, and also a keen ability to share it clearly with the readership... Good job, Shiv!!
From what I understand...(shiv correct me if i am wrong..) the difference is that the XEDE doesn't necessarily reprogram the ECU per se...it intercepts, and modifies, the data coming into the ECU from the engines sensors.