Quote Originally Posted by skeet View Post
will you be the one to explain this to me? starting to hear this alot here about a tune needing hundred miles for break in.when i got my tune from allen and a few others i was never told it had to have a break in period of driving.
I was watching HPTV the other day and they had an LS1 on an engine dyno. After replacing the PCM (with one that had a different tune) they said the engine ran better each time they tested it. Mentioned something about the computer and engine getting "better acquainted"...that's about as technical as they got but it's the same theory...I don't understand exactly how it works either...smoke and mirrors to me...