Honda Car Forum

i have a honda accord 01 lx sedan and is do have vtec engine-and the problem is that wat vtec d0 and YES i know vtec=valve timing electronic control.........and when does v-tec kick in and i mostly let it shift on 3000.rpm...and the reason is wat does vtec sound....does.cuz when ever my car shift at 3000rpm to lower my car make some kind of kool sexy electronic sounded-is that how vtec is ??? or...wat does vtec sound like...for example wat it is

Wow. Ok. VTEC stands for Variable Valve Timing ( and lift ) electronically controled.ON a VTEC engine there is a special camshaft that operates the valves. The camshaft has two sets of lobes on it. One set is designed to operate best at lower RPMs, the other set is designed to operate best at high rpms.VTEC does not make any noise when it is switching between one set of cam lobes and the other. IF it is setup correctly you won't feel it kick in either. It will be a smooth transition from one set of lobes to the other. on your car it probably switches over somewhere around 3000 rpms. Maybe 3500. Historicaly if you wanted a high performance cam shaft you had to sacrifice low rpm operation. The car would idle very poorly and would not run well below say 3000 rpms. Only above 3000 rpms would the engine come alive and take off. With a VTEC system it allows you to have the best of both worlds. VTEC is not the only system out there. Toyota has VVTL-i, and other manufactures have come up with thier own names for the same sort of system.