At what mileage did you notice the performance boost?...
{I'm going to be standing over here, observing this answer.
I drove my LIKE per the break in procedures from the owner's manual - therefore - the increase in performance came ONLY when I decided it was now broken in properly and I would like to get the heck out of the middle of this big, turning, up-hill, 8 lane intersection! I gave it the beans and it responded well! Before that, I drove the engine only gently.}