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Old 12-11-2016, 11:24 AM   #32 (permalink)
California98Civic
Cyborg ECU
 
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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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You engine bay poc shows an exhaust manifold on which the upstream O2 sensor is missing. If that is how you are actually running, how are you managing fuel trim? You cannot get lean burn that way. Also, Balto's question above. Your gearing is too short. Given all these mods, I'd say 36 mpg at 60 mph sounds increadibly good. You'll likely get much lower numbers on average. Engine bay looks great, though. Seems you ae building more of a street racer than a fuel sipper. Is that what's up?
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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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