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Old 07-24-2008, 03:43 PM   #8 (permalink)
Nelson
EcoModding Lurker
 
Join Date: Jul 2008
Location: Oregon
Posts: 1

08 Yaris Sedan - '08 Toyota Yaris Sedan S
90 day: 39.48 mpg (US)
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Quote:
Originally Posted by Tourigjm View Post
Toyota Forums :: Toyota Nation[/url]

4th post down
If only the poster on Toyota Nation had a clue. Lovely equations. Wrong assumptions!

Sure, lowering your car will reduce the wind lift you get underneith and thus add some "weight" to your car. But, it won't add any mass to your car. The "weight" we all want to reduce to improve fuel economy is actually mass (that thing that works against acceleration), not just weight in the form of downward presure on the tires.

I've read in a number of different places that lowering your car reduces wind resistance generated by under car turbulence and can thus lead to measurably improved fuel economy.
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