Quote:
Originally Posted by pmckechnie
Just a thought. If you disabled the turbo or lowered the boost would you get better mileage at the expence of less power?
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I think that would be true, except the turbo would need to be removed, not just disabled. My understanding is that the purpose of the turbo is to provide more power for the same displacement, not increase efficiency.
For a given engine, the only way to increase mileage is to reduce road load - rolling friction, weight, aerodynamic drag, etc. The easiest and most effective way to significantly increase fuel efficiency is to drive 40 mph.
Other ways to increase mileage is to use hypermiling techniques - interesting, but not very practical. (I once squeezed 38mpg out of my Corvette on a trip from San Diego to San Jose and back. Interesting, but a lot of work, and not all that safe).