Thread: Tire width and economy
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Old 07-10-2021, 04:39 PM   #4 (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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Quote:
Originally Posted by hansj3 View Post
I bought an e series ambulance a while back. It ce with 225/75 r16, and I have the ability to pick up a set of less than half worn 215/85 r16 for free. Load rating on both is identical, and the pattern is street

https://www.tirerack.com/tires/tires...um=185R6R500HD

I want to rock these solely due to how new they are (2019) is tire width something that can help measurably?
Yes. It can help. I would not expect a big, or even measureable maybe, change from a 10mm diff in width. Be aware that a change in diameter will change displayed RPMs, speed, and measured distances.
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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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