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Old 03-25-2013, 11:19 PM   #1 (permalink)
Cyborg ECU
California98Civic's Avatar
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)
Thanks: 2,307
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How to hypermile a VX/CX Civic transmission?


I just completed the install of a 1993 Civic CX transmission in my 1998 Civic DX. Way tall gearing. Speedo registers 25 mph when I hit 2000 RPMs in 2cd gear. I'm in third up to 40mph/2000rpms... the tranny seems to be turning about 2000 rpms at maybe 58 mph. I have 14" DX wheels on, so I'm actually a little taller than a VX/CX would have been with its 13" wheels.

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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