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Old 05-06-2018, 10:43 AM   #129 (permalink)
California98Civic
Cyborg ECU
 
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Join Date: Mar 2011
Location: Coastal Southern California
Posts: 5,213

Black and Green - '98 Honda Civic DX Coupe
Team Honda
90 day: 64.33 mpg (US)

Black and Red - '00 Nashbar Custom built eBike
90 day: 3671.43 mpg (US)
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I'll add that the power steering delete one one of the biggest bangs for the buck (free) and it is easy to test in a reversible way: just loosen and remove the power steering belt for a a few days. See how it feels. It will be a little stiffer than it could be because it will still have the PS fluid in the rack, but you will see what it is like. I remember thinking it was associated with a 1-3 MPG improvement, though your benefit may vary and will be nearly impossible to "prove."

EDIT: btw, your 04 Civic EX auto has taller cruising gearing than a 6th Gen Civic HX manual, just barely. And with taller wheel/tires you'll be approaching the freeway cruising RPMs of a fifth gen VX.
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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.


Last edited by California98Civic; 05-06-2018 at 10:50 AM..
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