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Old 05-12-2009, 12:03 PM   #54 (permalink)
superchow
Master of 140 hamsters
 
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Join Date: May 2008
Location: Lacey, WA
Posts: 183

Hamster - '07 Honda Civic EX
90 day: 29.41 mpg (US)

Whooshy Wagon - '04 Volvo V40
90 day: 23.33 mpg (US)

Minotaur - '09 Ford Taurus X SEL
90 day: 19.05 mpg (US)
Thanks: 1
Thanked 8 Times in 7 Posts
Quote:
Originally Posted by Ernie Rogers View Post
"Changing the profile from 55% to 60%, to tire size 205/60R16, increased my tire diameter by 0.8 inches, a 3.2% increase in diameter. This small change has given about a 5% increase in fuel economy for my car."
So... if I drive 30,000 miles a year, the odometer would register 3.2% less, 960 miles less? So the car would technically depreciate less? Someone call MSN Money and let them know about this "money saving tip"!

This may be my next mod... Although the car height would be raised by 0.4 inches which may negate improvement from slower rotating wheels.
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Last edited by superchow; 05-12-2009 at 12:15 PM..
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