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Old 06-04-2016, 09:37 PM   #8 (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)
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Quote:
Originally Posted by Ecky View Post
I don't think that includes lean burn, based on my understanding of how it works.
I agree with you. That map is normal engine function, not lean burn. Lean burn only engages in light throttle conditions, as I understand it.

Quote:
Originally Posted by serialk11r View Post
... I wouldn't worry about what rpm to accelerate at; when you accelerate hard at low rpm, the engine is less efficient but the "pulse" takes longer, reducing your car's variation in speed. Just pulse in the top gear, it's easier.
I don't agree with this one. On the map above, the Insight engine clearly produces 60 Nm torque more efficiently at 2000 rpm than at 3000 or 4000 rpm. If the Sixth Gen Civic the OP has is similar, then it too is more efficient at 2000rpm.
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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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