A couple friendly points to clarify
Quote:
Originally Posted by Old Mechanic
...Maybe I am wrong, but the peak torque reading when on a dyno would be at precisely the same RPM that would produce the most power for the least fuel.
|
It isn't precisely the same RPM, I have seen some charts where peak bsfc is a thousand or so rpm off of peak torque.
Quote:
Originally Posted by Old Mechanic
...Seriously overpowered vehicles can still perform economically...
|
But for simple commuting power needs, the seriously overpowered engine spends a lot of energy fighting with itself, thus will always be at an efficiency disadvantage to a "right sized" engine. And of course power corrupts
