Which Honda cars have VTEC?
1 Answers
Honda vehicles, except for the 1.3L Fit which does not feature i-VTEC, all other models—whether from Dongfeng Honda, Guangqi Honda, or imported Honda—are equipped with this intelligent variable valve timing system. Honda's i-VTEC system is the English abbreviation for Honda's Intelligent Variable Valve Timing and Lift Electronic Control system. The latest Honda car engines are generally equipped with the i-VTEC system, which allows for continuous adjustment of valve timing and can also adjust valve lift. Below is an introduction to related content: 1. The working principle of the i-VTEC system is as follows: When the engine shifts from low to high speed, the computer automatically directs oil pressure to the small turbine inside the intake camshaft drive gear. Under this pressure, the small turbine rotates a certain angle relative to the gear housing, causing the camshaft to rotate forward or backward within a 60-degree range. This changes the timing of the intake valve opening, achieving the goal of continuously adjusting valve timing. 2. Honda's VTEC engine has long been known as the 'synonym for variable valve engines.' It not only delivers exceptionally strong horsepower output but also emphasizes low-speed operation with environmentally friendly exhaust standards and low fuel consumption. These entirely different characteristics occur in the same engine because it features two or even three different cam angles (cams) on a single camshaft. Small-angle cams are used at medium and low speeds, while high-angle cams are engaged at high speeds, resulting in two completely different performance output curves from the same engine.
