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Old 01-03-2017, 11:02 AM   #9 (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
Welcome! Great story about discovering the car. I bought my current Civic in 2001.

I did not notice a mention anywhere of a vacuum gauge as a way to improve P&G. You really want your pulse to be in a quite narrow range of roughgly 75% engine load. Some sort of gauge is utterly necessary to doing that with precision. Also, with your super tall gearing and lean burn capability, P&G in freeway conditions will not benefit much. In fact, you likely do worse with P&G on the freeway if you do not have a vacuum gauge to help set the most efficient pulse.
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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