VTEC Activating time??

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May 22, 2004

Azizst

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VTEC Activating time??

Hi. I have a 2001 Civic ex SOHC vtec (110 hp) and i wonder at what rpm the vtec activetes? I mean when do both the valves move together??

May 22, 2004

gearbox

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It varies depending on rpm and/or pedal action. But a safe bet is to say around 3k roms. It also stays on over 70mph (just below 3krpms).

Here's the last readout from my vafcII for stock vtec engagement.

May 22, 2004

Azizst

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Thanks man, now i know much about my engine.

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