What is VTEC? How does VTEC work? VTEC, or variable valve timing and lift electronic control is used to increase airflow within an engine cylinder at high rpm. Many companies have versions of their ...

How does 3 stage VTEC work? This video goes one step further on explaining VTEC. 3 Stage VTEC combines VTEC-E (sohc) with VTEC (dohc) to allow for excellent efficiency at low rpm, and maximum power at ...