Variable valve timing (VVT) and variable valve lift (VVL) have very similar names, both referring to variable valve performance. Does that mean that they are basically the same thing? The are most ...

Add Yahoo as a preferred source to see more of our stories on Google. Variable valve timing (VVT) and variable valve lift (VVL) have very similar names, both referring to variable valve performance.

Reports are coming in fast and furious of Valve delaying its Steam Machine launch as well as other upcoming hardware, but is that really the case? It really just depends on how you interpret Valve's ...

There is so much going on with internal combustion engines (ICEs) these days, it can give you a headache just reading about them. That's why we do the research for you and then cram it into bite-size ...

When it comes to longevity, Hyundai hasn’t always been the first automaker that comes to mind. But in recent years, the South Korean manufacturer has worked hard to build a reputation for reliability ...

The first production car engine with variable valve timing (VVT) came from Alfa Romeo in 1980. It was installed in the fuel-injected Alfa Romeo Spider. Before this, a few experimental systems existed, ...

What is variable valve lift? What is variable valve timing? We're going to look at the valvtrain from a 2009 Audi 2.0L I4 Turbo engine to check out the differences. Variable valve lift is used to ...

Vehicle reliability often hinges on what’s under the hood, and V6 engines have long represented an excellent balance between the fuel efficiency of inline-4 cylinders and the power of V8s. These ...

Abstract: Volumetric efficiency is the main parameter that characterizes the increase in power of an engine at the same speed. A group of design parameters that affects the volumetric efficiency are ...