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Old 07-10-2008, 10:00 PM   #54 (permalink)
AndrewJ
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Location: Columbia, MO
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Harold - '94 Honda Civic CX
90 day: 54.51 mpg (US)

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Quote:
Originally Posted by superchow View Post
Try filling up with premium instead of regular. That usually yields a 10% improvement for me. Plus, the car feels gutsier off the line.
YMMV on that one....

Premium won't get you anything.
You're paying for octane, unless your engine is high-compression it can't make use of more octane.
So you're paying for nothing.
Placebo.


Oh, and the injector cutoff on Hondas is fo-real. My MPGuino confirms it. I think it's the case in most (if not all) modern cars.
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Last edited by AndrewJ; 07-10-2008 at 10:09 PM..
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