Thread: Why VTEC?
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Old Feb 5, 2007 | 01:06 PM
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Originally Posted by SickCitroen
Does anybody have an article regarding the workings of I-VTEC. That's the system utilized by the K series engines too, right?

I realize it stands for "intelligent VTEC" but what I don't get is how it works or what makes it different. In my opinion VTEC is intelligent in and of itself as the engagement point is after a certain RPM, but can be even further depending on some sensors' readings including the TPS.

Can anybody give me an article or explain to me what makes I-VTEC....I-VTEC?

im assuming you know how vtec works? ivtec adds vtc or variable timing control alongside traditional vtec. vtc works by contiously adjusting camshaft timing up to 50 degress throughout the entire rpm range of the engine.

or just read this: http://asia.vtec.net/article/ivtec/
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