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.

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 valve …

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.

Aug 22, 2025 · These days, more power, less fuel, and fewer emissions aren’t just wishful thinking—they’re made possible by various advancements within the car industry, and one of the …

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

Jan 17, 2024 · It is a system that aims to alter the opening and closing time of the air intake valves (or exhaust gases) so that the optimum amount of air for the process enters the cylinders. This is …

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.

Jul 15, 2025 · Variable Valve Timing (VVT) technology controls three key characteristics, of the intake and exhaust valves: Valve timing. The points in the piston’s movement, at which the valves open and …

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, …

Jul 14, 2015 · To overcome this deficiency, the engineers developed VVT or ‘Variable Valve Timing’ mechanism. The VVT varies the timing of opening and closing of valves for multiple engine speeds. …