Originally Posted by RPIpower
Dont let people tell you that the "car needs to learn" or that the "ecu needs to reset". Im always suspicious when I put a mod on my car and when I dont see the numbers I want, they tell me that there is a learning period. If the part is going to make power, youll see it, esp when its a hardware change. Now, does the ecu learn? Yes, but its not drastic like some people might think. For example, we usually see the power gains after the first 2-3 dyno pulls.
+1, the learning excuse is a way for some guys to cover themselves if/when the gains don't show... won't name names.