What is VTEC? And How Does It Work?


Vtec

 

VTEC… one of the most popular car meme topics. But do you actually know what it is, or how it works? Pretty simple, really. But a very clever invention it is.

First of all, let’s start with the name. The name ‘VTEC’ stands for Variable Valve Timing and Lift Electronic Control. Yeah, I know, the name is stupid long and doesn’t make a hell of a lot sense. YET. 

VTEC works on the internal combustion engine principle that if the inlet valves are open for longer, there will be more air coming in, thus a more powerful and efficient engine. So, how does Honda manage to do that? Well you know cam lobes, right? You better… Well, what they do is turn, and when the lobe gets to a certain point, it pushes on a rocker arm which in turn pushes down a valve to let air in or carbon dioxide out. 

What Honda has done is add a third, higher performance cam lobe to open the valves for a longer period of time, to optimize air flow. When engaged, a small, well, bit slides into the longer cam lobe, so the lobe can open up the valves. 

Interesting, right? Maybe not to you…I’m just a mechanical nerd ;D

So to answer your question, yes, VTEC does kick in…

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