Without variable valve timing, these intake and exhaust valves would operate in the same manner regardless of the engine’s RPM (revolutions per minute) speed or the driving environment. This isn’t ...

Though it's been called many things, the VTEC acronym stands for Variable Valve Timing and Lift Electronic Control. VVTLEC doesn't quite roll off the lips, but the adjectives one tends to spew out ...

March 30, 2007 Over the last century of automobile development, we have seen an enormous range of valve actuation technologies, ranging from pushrod, through single then double overhead camshafts, ...

Honda's golden age commenced when it introduced the B-Series, the first production engine with variable valve timing and electronic lift control, otherwise known as Honda's VTEC system. The Honda B-16 ...

Honda Motor has further developed its VTEC (Variable Valve Timing and Lift Electronic Control System) engine technology with the development of the ‘Advanced VTEC’ engine, which is claimed to achieve ...

In the Si, the 1.5-liter turbo features a 10.3:1 compression ratio, direct injection, 16-valve DOHC with dual variable timing control, and a single-scroll 11-vane turbo with an internal wastegate ...