Quote Originally Posted by aaronng View Post
Sony Digital8 video camera.
Even when I am driving, I can't hear a change in engine note as I pass 6000rpm.

What about in this vid? http://www.youtube.com/watch?v=1ql6e9K1X9k
Although you did not hear a change in engine note but I can hear that the engine rev quite faster than normal on high rpm. I think that's when VTEC kicks.