Variable valve timing (VVT) is the process of altering the timing of a valve lift event in an internal combustion engine, and is often used to improve performance, fuel economy or emissions.

Jan 11, 2021 · Variable valve timing (VVT) plays an important role in bridging performance with efficiency. Should you disable VVT on your hot rod machine? We examine the options.

VVT-i, or Variable Valve Timing with intelligence, is an automobile variable valve timing petrol engine technology manufactured by Toyota Group and used by brands Groupe PSA (Peugeot and Citroen), Toyota, Lexus, Scion, Daihatsu, Subaru, Aston Martin, Pontiac and Lotus Cars.

Mar 24, 2025 · Explore what cars have a VVT engine, their benefits, key models, and industry recognition in this comprehensive guide.

Jul 14, 2015 · VVT is abbreviation for Variable Valve Timing. In VVT system, the time of opening and closing the valves is further optimised for multiple engine speeds.

Oct 31, 2024 · VVT, or Variable Valve Timing, is a groundbreaking car engine technology that’s transforming engine performance. This advanced system dynamically adjusts the timing and duration of engine valve opening and closing.

Discover the benefits of (VVT) Variable Valve Timing technology in improving engine efficiency and optimizing valve timing.

Jun 6, 2021 · VVT-i stands for Variable Valve Timing-Intelligence, which is Toyota’s name for the variable-valve technology it uses in most of its vehicles.

Mar 13, 2015 · Variable valve timing (VVT) is a way to advance/retard valve timing, and change duration, overlap and even lift in some applications while the engine is running. VVT is …

Mar 27, 2024 · Variable Valve Timing is a system used in internal combustion engines to adjust the operation of the valves. This is done by altering the camshaft profile, either mechanically, hydraulically, or electronically.