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Old 05-07-2020, 10:49 AM   #12 (permalink)
Cyborg ECU
California98Civic's Avatar
Join Date: Mar 2011
Location: Coastal Southern California
Posts: 6,297

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
Thanked 2,155 Times in 1,463 Posts
Might be a little better if we had pics from you own car. Personally, I am not sure flush with the front in best. Mine is set back a little like some of the others, like this:

Julian is right that there are other improvements to make here, but that airdam is really well placed, and importantly, the further forward you place it, the more it will scrape ditches and bumps, the more it will beat into parking stops. Mine works great. I once diagnosed it must have broken loose and sagging by a drop in freeway MPG. I pulled over to check... and there it was... resecured it... MPG returned. For me it makes a big difference.
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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