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Old 04-20-2012, 02:49 PM   #18 (permalink)
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Originally Posted by ecomodded View Post
After some more thought, it dawned on me that the 10 degree increase at the the turbo that would increase fuel usage by 0.7% was just that at the turbo.
I am more concerned with fuel usage when not using the turbo.
Means that the turbo's extra hot air after it has been compressed and heated by the turbo will not like to be increased without loss of economy.
Sounds like you want to know what happens with a normally aspirated diesel then. The results of temperature and atmospheric pressures are discussed in this NACA paper from 1937 (Note the discuss both fuel economy and power at variable loads).
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