Originally Posted by MathGSR
Yes but we hear it at 6000 which is the "phase 2" of the vtec. He said that he hear his vtec at 5000. So his ecu is modified to activate the vtec early.
you are confused.
here i go one more time
.....vtec is at 4400. there is no second stage of vtec. that is an internet myth. what you hear at 5750-5800 are the intake secondaries opening.