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Message: <blockquote data-quote="harpoon" data-source="post: 1127287" data-attributes="member: 8361"><p>if put at a lower range, the pressure build up may not be sufficient enuff for the efficient combustion to take place, this in normal aspirated engine, so the pressure need to be there to help piston in increasing the pressure</p><p></p><p>be aware also that honda increase the compression ratio but did not add any additional cooling mechanism for the engine. heat transfer efficiency is enuff if it's simply for normal street race, but not for serious track race. that's why for track race car that is not modified you can find accelerated engine wear.</p><p></p><p>vtec engine was designed for the benefit of both world, economy low speed and powerful high speed driving.</p><p>there's give and take there..... at low rev the engine behaves like a small and simple engine while at high rev, then only it reveals its true spirited drive.</p><p>that is why the vtec point is set at somewhat high rpm, to ensure that the driver really want the peak power and torque, and to reduce the amount of wear in the engine</p></blockquote><p></p>

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