Thread: Larger wheels for MPG?
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Old 05-22-2011, 06:03 PM   #25 (permalink)
California98Civic
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Join Date: Mar 2011
Location: Coastal Southern California
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Black and Green - '98 Honda Civic DX Coupe
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90 day: 66.42 mpg (US)

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Quote:
Originally Posted by arcosine View Post
185/70R13 to 185/75R14, 10% larger OD, 5% mpg improvement, 1987 Honda Accord LX 5-speed

Only one data point on sc1 going from 165/80R15 to 205/70R15, so far not negative.

1998 saturn sc1 Gas Mileage (sc1) - EcoModder.com
I'm gonna just change up from a 19 pound cheapy 185/65-R15 to a 20lb. 205/65-R15 LRR set. Gain nearly 5% in OD and the LRR qualities without adding much weight... sounds like a deal to me.
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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.
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