Quote:
Originally Posted by sword_guy8
So basically, I'm saying that there is an engine loading (MAP) in which the engine does the most efficient job of creating power.
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More specifically, there is a specific rpm and load (map) where an engine is most efficient, have a peek at bsfc charts (and of course the ecu and a million other variables will have their effect), I tend to think it is more sensitive to load than rpm, generally speaking, but some cars like a tdi are most efficient at full throttle at a certain rpm:
http://ecomodder.com/forum/showthrea...-got-1466.html
Edit, and one reason many cars do worse at full throttle is because of enrichment, otherwise lower pumping losses is good.