Quote:
Originally Posted by California98Civic
I confess, I have always found BSFC maps labelled like this one a little confusing. The vertical axis is labelled "engine torque" but we are discussing it as if it is "load percentage." The below image from Autospeed article ECONORAM linked in post #28 above has a map labelled "engine load" on the vertical axis. Torque and load % are not the same thing, though. And on Autospeed graph it seems like 45% to 65% load would yield the best FE.
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That graph is still showing engine torque up the vertical axis since it goes to 145 even though it is labeled as load. We have no way of knowing what the corresponding throttle angle is.