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Message: <blockquote data-quote="ALBundy" data-source="post: 94633" data-attributes="member: 15">Yeah, this was discussed before. Vanos, vvti and vtc are similar but Vtec is different. Basically vanos, vvti and vtc has a variable cam timing whereas, vtec actually varies (2 stages) the cam lift as well which explains why vtec engines produce higher BHP compare to non-vtec engines, and similarly vanos and non-vanos engines produce similar BHP (for example 325 vanos and non vanos both produce 192 bhp but the vanos engine has it max torque at 4000 rpm compared to non vanos which is at 4500rpm). Put it in lay man's term, the vanos engine has more usable torque for daily driving and gives you the feeling the car is "perkier" <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile    :)" loading="lazy" data-shortname=":)" />That being said, the latest Honda engines with i-vtec incorporates both variable cam duration and lift which makes it more superior than the vvti and vtc. BMW's valvetronic incorporates variable air intake system (intake length) and it still has a double vanos system as well <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile    :)" loading="lazy" data-shortname=":)" /></blockquote>