No that really doesnt make any sense. I think you meant to write can for the first one. Vtec is just fancy valve timing (and lift) big freaking woop. Its just like MIVEC from Mitsubishi, AVCS from Subaru, VVT-i/VVTL-i from Toyota, VANOS from BMW, VarioCam Plus from Porsche, NeoVVL from Nissan, etc.