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Old 01-23-2012, 12:43 AM   #5 (permalink)
Cyborg ECU
California98Civic's Avatar
Join Date: Mar 2011
Location: Coastal Southern California
Posts: 6,093

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
Thanked 2,028 Times in 1,381 Posts
I went into it knowing the rebate is a hassle, having read this site. I bought it assuming the rebate didn't exist. The device is solid. You will need to learn to calibrate it. Until you do, don't believe the probably elevated numbers you'll see. Make sure to track your actual MPG with ODO/Pump until you get the UG well calibrated for distance and gallons used. Rebate or none, it will pay for itself over time. Lots of features. On my main running screen, I have throttle position and %load across the top. Then I have trip MPG, RPM, timing advance, and instant MPG in the bottom four. I find those to offer very useful ready reference data for hypermileing. You may find other layouts better. Enjoy!
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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