Quote:
Originally Posted by Dougal
Yes they are.
You can find the occasional one showing every little island in the BSFC map. But not for engines we're interested in.
But the trend still seems to hold. Get your cruise rpm close to max torque (min BSFC) and you'll hit the best operating conditions more often than any other rpm.
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Yep, that's my understanding too. Get your most used (usually cruise) rpm close to torque peak, then you get best mpg/driveability. I didn't know if it stayed that constant. Thnks