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Message: <blockquote data-quote="Redd" data-source="post: 157801" data-attributes="member: 200">every few months we seem to have this same argument. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink    ;)" loading="lazy" data-shortname=";)" /> peak torque/hp in itself isnt very relevant. what's more important is (A) the area under the torque/hp curve, and (B) where the "fat" part of the curve occurs. (A) u can have a very high peak torque/hp but if the curve falls off drastically on either side of the peak, your useful torque/hp isn't much. a "fat" curve is where you get a majority of the peak torque/hp throughout a good portion of the rev range. this means you have useful torque/power in a wide rpm band, and not a narrow useless band up in 6000rpms. (B) power/torque is only useful if you get to use it. for that reason, race engines are tuned very differently than street engines. when you're racing, you spend a lot of time in the high rpm range so that's where you want to make your peak power. having peak power at 2500rpms is useless to a racer cos he hardly spends any time down there. on the other hand, mrs tan from next door needs good torque and power from 1500-3500rpms cos that's all she's gonna use ferrying the kids to school and back. so you need to know where peak hp/torque is as well as your own driving style.  redd</blockquote>