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Old 05-19-2013, 12:07 PM   #11 (permalink)
Cyborg ECU
 
California98Civic's Avatar
 
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)
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Quote:
Originally Posted by mechman600 View Post
Makes perfect sense. A scangauge is not the correct tool for A-B testing engine mods. No doubt the HAI has thrown the SG's calibration off. A few calibration fill ups will likely prove this. SGs are only good for A-B testing aero mods, changes in driving habits, etc.
And that's another reason why the WAI test I did two years ago looked good but might have been misleading. At the time nobody criticized the fact that, lacking cruise control, I used a steady 16.1% throttle position on a flat freeway loop. Since, I have learned on other threads that that was probably not a good strategy. I still run the WAI, on the theory that it must help with pumping losses, since I only have a MAP and not a MAF sensor in my 1998 Honda. But I don't trust my own A-B-A test anymore.

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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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