Phil Knox is relying way too much on memory(as if he had any left)with some of his replies rather than waiting and ferreting out info from home.
I've gone back to #43 permalink and edited out some of my 'wrong' data.
I deleted the whole part about powertrain efficiency as a function of load .
What's left,I think represents the values originally reported by SAE.
I apologize for any trouble.In the future I'll 'wait' until I'm sure,before popping off
with dubious numbers.
I appreciate your understanding.