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Old 05-07-2012, 04:57 PM   #20 (permalink)
California98Civic
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Join Date: Mar 2011
Location: Coastal Southern California
Posts: 6,299

Black and Green - '98 Honda Civic DX Coupe
Team Honda
90 day: 66.42 mpg (US)

Black and Red - '00 Nashbar Custom built eBike
90 day: 3671.43 mpg (US)
Thanks: 2,373
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Quote:
Originally Posted by minispeed View Post
The next big update will be fitting 195 70 14. Since the car revs so high at highway cruise I hope that will improve my mpg. It should also allow longer EOC, also the 155s only have a 34 psi max and I've been running them at 38. They tend to leak put back to 34 but not much lower. I hope that the tire spats will compensate for the 4cm per tire.
I can see going for bigger diameter in these tires, but you might trade some of the FE gains from RPM reductions at highway speeds for FE losses due to wider and heavier tires.
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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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