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Old 01-18-2013, 11:43 PM   #11 (permalink)
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Originally Posted by serialk11r View Post
I think usually the case is that peak BSFC is at a slightly lower rpm than the peak BSFC at WOT. Your peak WOT BSFC is at ~2000rpm, which is a really slow engine speed! Peak BSFC might arrive at something like 1900rpm and 85% of that torque.
which graph are you talking about? the impreza? in that case the sweetspot is between 1800-3000rpm. notice how narrow the scale is. it's only 0.005 lb/hp/hr difference between 2000 and 1800/3000rpm (that's about 2%).

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