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Old 12-06-2012, 05:34 PM   #5 (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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It seems to me that the red VX has the stock trans, and I don't know what the blue one has. By my calculations of the gears and revs the stock VX in 4th gear should rev at about the rate my 98 DX does in fifth gear--in fact the VX should be slightly taller, I think, even in fourth. Is it possible you have an HF trans? Or that some of the gearing has been swapped, such as the HF final drive, or that you have an import VX trans somehow? My understanding is that the P20 code denotes several different transmissions and that you really need to count revolutions to know what you have exactly.
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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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