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Umm, yeah, we all understand how downsizing with turbocharging works to increase fuel economy and performance as well (due to reduced vehicle mass, pumping losses, & engine friction resulting from downsized engine). Question on the table is what is the physical explanation for increases in fuel economy you claim as follows:decipha said:This is currently one of the primary 'pushes' in the industry and why a lot more vehicles are being manufactured factory turbocharged in an effort to increase economy and as a result performance as well.
decipha said:In my experiences, turbocharging small block Ford's in 3800 lbs cars, fuel economy usually increases from 22-26mpg N/A to 28-31 mpg under similar cruising conditions...no other changes all else remaining constant