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Old 06-13-2017, 01:46 PM   #15 (permalink)
California98Civic
Cyborg ECU
 
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Join Date: Mar 2011
Location: Coastal Southern California
Posts: 6,092

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)
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For the diffuser remember that the body type and the interaction of other modded features will matter. You have a hatch. Babydiesel, I think, might have a notchback. Depending on how precise you want to be, and whether you want to be sure of benefits and not losses, you might consult the below and experiment:

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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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BabyDiesel (06-13-2017), Natalya (06-13-2017)