Originally posted by Ray:
Most likely means that they reflashed the PCM to the newer (much better) 2000 PCM code.



Not possible. The PCM's & strategy are different much the less the fact the code is completely different.

All it means is they did some TSB flash at one point.
It also means if you ever wanted to chip it that may be a problem.


2000 SVT #674 13.47 @ 102 - All Motor! It was not broke; Yet I fixed it anyway.