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 VVT? Benefits, How It Works, and Maintenance Guide
Aug 22, 2025 · VVT is like giving your engine the ability to think. Instead of opening and closing the intake valve and exhaust valves at the same time all the time, VVT adjusts an engine’s …
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 Variable Valve Timing, And How Does It Work? - Jalopnik
Jul 6, 2025 · VVT technology first appeared in vehicles all the way back in 1924, when a patent was filed for a valve with a variable opening duration to better control the intake and exhaust …
Technical Focus: Pondering Variable Valve Timing - Snap-on
Mar 27, 2025 · Learn about the main components of Variable Valve Timing, the functions & benefits, VVT history, and common causes of VVT malfunction in this Press Release.
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 (VVT) Explained - Powertrain Products
Mar 27, 2024 · VVT is a technology that adjusts cam timing to change: Variable Valve Timing is a system used in internal combustion engines to adjust the operation of the valves. This is done …