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.

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 continuously …

In this Technical Focus Article, learn about the main components of Variable Valve Timing, the functions & benefits, VVT history, and common causes of VVT malfunction.

Mar 4, 2020 · CVVD works exactly as it sounds. It's a system within the head that can alter how long valve stays open within the combustion cycle, allowing for more or less air to travel in and out of the...

3 days ago · Variable Valve Timing (VVT) is an engine technology designed to optimize the operation of an internal combustion engine by continuously adjusting the timing of its valves. This system …

The benefits of Continuous Variable Valve Timing (CVVT) or more generally known as Variable Valve Timing (VVT), is known in the Automotive Industry including after market high performance sectors to …

Oct 15, 2024 · The results showed that the relationship between the intake valve open timing and piston speed was crucial. Opening the intake valve to its maximum value slightly after the point of peak …

How CVVT works (Continuously Variable Valve Timing) KIA Cerato Timing belt and CVVT timing chain Adjustment

CVVT continuously adjusts the valve timing rather than using discrete steps. How it works: The CVVT system is a variable camshaft timing system that provides continuous and smooth adjustment of...

Oct 5, 2024 · Discover the benefits of (VVT) Variable Valve Timing technology in improving engine efficiency and optimizing valve timing.