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V8s and VTEC engines
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[quote][i]Originally posted by Lo-Ranger-w[/i] There are a few types of vtec but i assume your talkin about the perforance enhancing engine, the vtec doesn't change the amount of valves running it controls how far the valves open up, so when the engines running fairly low rpm the vtec is not engaged, there for economical driving, when you hit vtec engagement point the valves open up wide for higher performance.. kinda tryin to simplify it for you, as the engine rpm is increased the wider the valves are open the easier it is for the engine to breath in more air/fuel mixture, also to exhale. [/quote]
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