can someone explain to me what i-VTEC is and the difference between that and the current VTEC system?

 

i-VTEC includes VTC (Variable Timing Control). Basically it's a multi-piece hydraulically-controlled cam sprocket. VTC allows cam timing changes on the fly via altering the cam sprocket's position relative to the camshaft. VTC is Honda's equivalent of Toyota's VVTi, and i-VTEC is their equivalent of Toyota's VVTLi. This system is supposed to extract more low and mid-range torque from their motors.

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2000 WDP 3.2TL non-NAV