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 ...

If you're a car enthusiast, you've probably heard the term "VTEC" before, but you might not know what it means. If you don't, here's an explainer. But the way VTEC goes about switching cam profiles is ...

1. Net valve lift is the amount of lift (imparted to a valve) as measured at the camshaft lobe. 2. Valve duration is the period of time during which a given valve is off its respective seat and ...

Variable valve timing is one of those things expected of today's engines. Like fuel injection, aluminum cylinder heads or four- cylinder engines with 16 valves, dynamic camshaft manipulation is more ...

An engine is like a safe deposit box with two locks. You can unlock one of these with such keys as carburetors, manifolds and ignition. But you can't open it up and get all the performance you want ...

Somewhere there's a perfect balance between peak horsepower, low-speed response, reduced emissions, and something you can afford. Variable valve timing and lift have done their part in getting us all ...