What is variable valve lift? What is variable valve timing? We're going to look at the valvtrain from a 2009 Audi 2.0L I4 ...

The Japanese brand has thrilled gearheads with its own variable valve lift and timing technology since it was first introduced in its cars during the late 1980s, having been used on its ...

VTEC pushed the auto sector to adopt the technology in engines since it was the first feasible, dependable, and commercially viable variable valve timing and lift technology. VTEC is still used ...