Quote:
Originally Posted by Silvey01
I saw that you put a lean burn engine in your civic. Have you done anymore engine performance mods (like a high flow air filter or headers) or are you just using the aero dynamics to increase fuel mileage?
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Just a stock lean burn engine with no mods done to it. The increased fuel mileage is due to reducing Cd, reducing rolling resistance, installing lean burn engine, and hypermiling techniques.