
Variable valve timing - Wikipedia
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.
What is Variable Valve Timing and how does it work?
Dec 9, 2024 · Enter Variable Valve Timing (VVT)—a game-changer in modern engine technology. Found in all late-model engines, VVT eliminates this compromise by dynamically adjusting …
What Is VVT? Benefits, How It Works, and Maintenance Guide
Aug 22, 2025 · Variable valve timing (VVT) is a clever piece of automotive technology that optimizes engine performance and allows for better fuel efficiency in vehicles. It works by …
What Is Variable Valve Timing (VVT) - GoTech
VVT is a system designed to adjust the timing of an engines valves to optimize performance and lower emissions throughout the engines entire operating range
What Is Variable Valve Timing, And How Does It Work? - Jalopnik
Jul 6, 2025 · Here's an example of how variable valve timing works — if the VVT increases the valve duration of the exhaust valve, then more exhaust is expended from the cylinder.
What is VVT (Variable Valve Timing)? - enginewikitech.com
Oct 31, 2024 · Discover how Variable Valve Timing (VVT) technology improves your car engine performance, fuel efficiency, and power output. Learn the basics and benefits explained simply.
Variable Valve Timing: How It Affects Performance and Engine …
Aug 1, 2025 · Variable valve timing changes when the engine’s valves open and close to improve power, fuel efficiency, and emissions. This system involves parts like the camshaft, timing …
Variable Valve Timing (VVT) - Function And Its Advantages
Sep 12, 2025 · So, variable valve timing (VVT) adjusts the opening times and lift of the valves, to suit all operating conditions. This ensures ideal charge cycles, within a wide range of engine …
How Variable Valve Timing Works: Optimizing Engine Performance
Sep 3, 2025 · Variable valve timing (VVT) represents one of the most significant advances in modern engine technology, dynamically adjusting valve opening and closing timing to optimize …
Variable Valve Timing (VVT) Explained - Powertrain Products
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, …