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Old 07-21-2008, 10:05 PM   #11 (permalink)
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Join Date: May 2008
Location: Minnesota
Posts: 29

FWD - '04 Honda Civic Si
90 day: 34.09 mpg (US)

RWD - '04 Honda S2000 NA
90 day: 27.25 mpg (US)
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Originally Posted by dann_04 View Post
Hey, i appreciate the time and input helping out us slackers with no sg lol. I think i may get one soon...But i am pretty proud my last tank i milked 35.6 mpg's out of my ep3 so i'm hoping to break 40 mpg on at least one tank some day(probably after i get a sg and do some eoc). Have any of you thought about a pan on the underside like some people are doing? my back bumper looks like a parachute lol. Also any one know the drag coefficient of our car? I can't find it.
Underside pan would be awesome for this car. Also as you mentioned, a rear wheel skirt will also make for a good aero mod. I was able to get 40mpg only once, but i think its doable with lot of care.

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Old 07-22-2008, 11:55 AM   #12 (permalink)
EcoModding Lurker
Join Date: Jul 2008
Location: illinois
Posts: 72

EP3 - '03 Honda Civic Si
90 day: 31.73 mpg (US)

Scooter - '93 Honda Elite 80
90 day: 74.87 mpg (US)

Ape - '07 Aprilia Sportcity 250ie
90 day: 66.97 mpg (US)
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I think i am going to do that rear pan atleast because i just looked under there again and it is like a big gaping u shaped lip going against the air flow...i guess honda had only so much money for the bumbers lol because that has to create alot of drag. I am thinking about the wheel skirts, but that drastically changes the look of the car... i like the car...but i like big mpgs....so torn Anyone have pics of an 02-05 si with wheel skirts? If i do that I'll probably get even more people asking if it's one of those new dangfangled electric cars.
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Old 10-25-2016, 03:02 PM   #13 (permalink)
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Join Date: Sep 2016
Location: Washington
Posts: 107

Grom - '19 Honda Grom Non-ABS
90 day: 106.92 mpg (US)
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bring this back from the dead what are your numbers like now.

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