VTEC is Honda's trademarked acronym for Variable valve Timing and Electronic lift Control. Put simply, it's a method of directly altering the cam profile that valves "see", so that the optimum grind can be utilized at either high or low rpm.Honda currently has three different VTEC systems for sale in the U.S., but the primary differences are level of complexity and design purpose. Since the high performance version is the most often discussed, I'll describe it: The high performance VTEC system, which made it's debut in the Honda NSX, later became available on various other models - Integra, Prelude, delSol, Civic, Accord, etc.Vtec
VTEC is Honda's trademarked acronym for Variable valve Timing and Electronic lift Control. Put simply, it's a method of directly altering the cam profile that valves "see", so that the optimum grind can be utilized at either high or low rpm.Honda currently has three different VTEC systems for sale in the U.S., but the primary differences are level of complexity and design purpose. Since the high performance version is the most often discussed, I'll describe it: The high performance VTEC system, which made it's debut in the Honda NSX, later became available on various other models - Integra, Prelude, delSol, Civic, Accord, etc.