Is this engine exist??

**ram0722** · November 8th, 2009 07:38 PM

boss pano ba malalaman kung gumagana na yung vtec? kasi i just forcefully bought a vtec engine equipped car. the engine is new though. i heard from other enthusiasts that you'll notice the car's full potential with the vtec functioning.

**v6dreamer** · November 9th, 2009 12:04 PM

Originally Posted by ram0722

boss pano ba malalaman kung gumagana na yung vtec? kasi i just forcefully bought a vtec engine equipped car. the engine is new though. i heard from other enthusiasts that you'll notice the car's full potential with the vtec functioning.

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 4,000 rpm