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Old 01-10-2012, 08:07 PM   #19 (permalink)
some_other_dave
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Quote:
Originally Posted by Titanium View Post
I'm curious as to what freeway speeds and rpm's produce the best mpg in a Civic HX?
Like most cars, the best MPG is achieved when running as slow as you can stand in the tallest gear the car has. Try 1800 RPM in 5th gear. If the engine doesn't shudder from that, and you can cope with the relatively slow speed, that ought to give you good steady-state MPGs.

-soD
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