VTEC
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Variable Valve Timing & Lift Electronic Control (VTEC) is a valve system developed by Honda to improve the volumetric efficiency of a four-stroke internal combustion engine, resulting in higher performance at high rpm, and lower fuel consumption at low rpm. VTEC uses two (or occasionally three) camshaft profiles and hydraulically selects between profiles. It was invented by Honda engineer Ikuo Kajitani. It is distinctly different from standard VVT (variable valve timing) systems which change only the valve timings and do not change the camshaft profile or valve lift in any way.
Variable Valve Timing & Lift Electronic Control (VTEC) is a valve system developed by Honda to improve the volumetric efficiency of a four-stroke internal combustion engine, resulting in higher performance at high rpm, and lower fuel consumption at low rpm. VTEC uses two (or occasionally three) camshaft profiles and hydraulically selects between profiles. It was invented by Honda engineer Ikuo Kajitani. It is distinctly different from standard VVT (variable valve timing) systems which change only the valve timings and do not change the camshaft profile or valve lift in any way. ==VTEC TURBO== The VTEC TURBO engine series were introduced in 2013 as part of the Earth Dreams Technology range and include new features such as gasoline direct injection, turbochargers, Dual Cam VTC and VTEC on the exhaust profile instead of the intake, marking the end of the 'traditional sound' of VTEC in this engine. VTEC implementation on the exhaust rocker arms causes the turbo to be spooled quicker, eliminating turbo lag. VTEC Turbo engines come in three displacement capacities: a 1.0 liter 3-cylinder, a 1.5 liter 4-cylinder, and a 2.0 liter 4-cylinder. Initial implementation for European vehicles included 2-litre 4-cylinder turbocharged engine used from 2015 Honda Civic Type R until present, which included Euro 6 emissions compliance.
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