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Message: <blockquote data-quote="f8." data-source="post: 108832" data-attributes="member: 923">wait...ewicong made a good point which, perhaps is plain for all, but then again, perhaps got lost in all that heat that gave no light.he said that the max torque of the engine is related to the displacement where the hp isn't.strictly, thats only applicable for NA engines. but yes thats a very good point.lets take a 1.6L NA engine since its quite common and most have experienced it. the famed honda b16 dohc vtec engine pushes probably around 160hp(ball park figure) whereas a wira 1.6 probably does 110hp, if that. yet if you compare their torque figures, i'd say they are within 10% of each other. just look up the spec of any 1.6L NA be it a corolla/sentra/wira/civic etc.. even a 316.the other factor that controls the torque when displacement is held constant is the compression ratio. of course other things like cylinder head design and config, intake and exhaust components play a role too, albeit to a more diluted extend.yet ewicong pointed out that the hp can b e vastly different and this alludes to the question-at what rpm did these same displacement engines make their max torque?you'd find that the higher hp ones make their peak torque later up the revs and thats the key. hp is simply the product of torque and rpm.maybe this is not subtle but plain elementary. maybe. in which case, just a gentle review chaps. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin    :D" loading="lazy" data-shortname=":D" /></blockquote>

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