At what RPM VVT should be activated?

[ddongbap]

Originally Posted by 127.0.0.1

that is what I meant. it is the same as v-tec. and as far as no one else has been able to master this ??? ummm....well yes toyota has

No they didn't. The VVT-Li failed, and they stopped production of it.

Vanos is NOT the same as vtec.

Valve timing adjustment is wayyyyyy different than valve lift+duration.

VVT-i = timing.

VVT-li = timing + lift/duration

VTec = lift/duration

iVTec = timing + lift/duration

Vanos = timing