Honda’s VTEC System Explained

How Honda's VTEC Variable-Timing System Works

VTEC (Variable Valve Timing and Lift Electronic Control) is Honda’s advanced variable valve timing system designed to improve performance, efficiency, and fuel economy. Introduced in the late 1980s, VTEC has become one of the most iconic technologies in the automotive world, particularly in Honda’s high-performance engines. How VTEC Works VTEC operates by using two different camshaft profiles—one optimized for low RPM efficiency and another for high RPM performance. A hydraulic system engages a