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Gas Mileage

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Old Nov 15, 2010 | 09:59 AM
  #11  
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Originally Posted by rob-2,Nov 15 2010, 10:48 AM
Yes, the extra down force they create translates into drag.

I cannot get better than 25mpg freeway anymore. I'm cruising 75-80 and running 225/255 Z1.
Thats sounds spot on for that speed.

On long trips I get around 33 but I followed a big SUV once for about 330 miles and I literally almost got 40 (Top Up). From week to week though I get around 20.
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Old Nov 15, 2010 | 10:02 AM
  #12  
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Originally Posted by F22C S2K,Nov 15 2010, 10:59 AM
Thats sounds spot on for that speed.

On long trips I get around 33 but I followed a big SUV once for about 330 miles and I literally almost got 40 (Top Up). From week to week though I get around 20.
yup less air resistance for you since that big SUV is blocking all the air for you

i learned that this could also make the car accelerate faster from gran turismo tutoring
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Old Nov 15, 2010 | 10:19 AM
  #13  
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i haven't done a straight up highway tank with my car yet so i'm not sure but when i used to do about 90% i would get ~30 mpg so i'd expect straight highway i'd get at least 32-34. usually i get 21.5-22 mpg mixed and i really mean mixed...vtec multiple times everytime i drive it mixed with highway and city. if i drove a fat g35/37 like this i'd be averaging 16-17mpg. i love honda engineering.
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Old Nov 15, 2010 | 12:41 PM
  #14  
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Originally Posted by S14 to S2k,Nov 15 2010, 12:19 PM
i haven't done a straight up highway tank with my car yet so i'm not sure but when i used to do about 90% i would get ~30 mpg so i'd expect straight highway i'd get at least 32-34. usually i get 21.5-22 mpg mixed and i really mean mixed...vtec multiple times everytime i drive it mixed with highway and city. if i drove a fat g35/37 like this i'd be averaging 16-17mpg. i love honda engineering.
What tires and size are you running?
Which alignment are you on?
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Old Nov 16, 2010 | 06:20 AM
  #15  
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Everything stock..I'm sure in a stock ap2 anyone can get 30mpg straight highway doing 65-70..but if I were doing 75-80 I'd prob have gotten a little lower
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Old Nov 16, 2010 | 06:30 AM
  #16  
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Originally Posted by F22C S2K,Nov 15 2010, 01:59 PM
Thats sounds spot on for that speed.

On long trips I get around 33 but I followed a big SUV once for about 330 miles and I literally almost got 40 (Top Up). From week to week though I get around 20.
I call BS on anything above 32-33mpg. "drafting" as you guys are referring to requires you to be within 1-2 feet of the car in front of you. So unless you were being towed by the car infront...I would say this is way too close for comfort.

And when you attempt to "draft" behind vehicles at a further than optimal distance...it actually negatively impacts your fuel economy.

And whoever said 40mpg...thats just ludicrous


As for the CR comment....the CR doesn't have any less "drag" resistance than a normal s2k. Drag, as you're referring to is only a based on the cross sectional area of your car. The weight saving can be considered, but 80lbs is pretty negligible when the car weights 2800lb+ and you're also offset by the additional downforce that your rear spoiler creates...

man I need to get back to work...lol
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Old Nov 16, 2010 | 11:26 AM
  #17  
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Originally Posted by GT_NFR,Nov 16 2010, 07:30 AM
I call BS on anything above 32-33mpg. "drafting" as you guys are referring to requires you to be within 1-2 feet of the car in front of you. So unless you were being towed by the car infront...I would say this is way too close for comfort.

And when you attempt to "draft" behind vehicles at a further than optimal distance...it actually negatively impacts your fuel economy.

And whoever said 40mpg...thats just ludicrous


As for the CR comment....the CR doesn't have any less "drag" resistance than a normal s2k. Drag, as you're referring to is only a based on the cross sectional area of your car. The weight saving can be considered, but 80lbs is pretty negligible when the car weights 2800lb+ and you're also offset by the additional downforce that your rear spoiler creates...

man I need to get back to work...lol
I know it sounds like BS but if it weren't for drafting the car which you say is not reasonable, do you have any ideas why I got 39.5 MPG. I just want more information why this oddball could have happened. I do not want to start an arguement just want insight. (It's not high school)
Thanks
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Old Nov 16, 2010 | 11:35 AM
  #18  
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Originally Posted by GT_NFR,Nov 16 2010, 07:30 AM
I call BS on anything above 32-33mpg.
I got 35.4 mpg with my '07 S2000 once, all highway driving. For the majority of the trip, I averaged above 30.

As for my CR, I usually average 23+ in all city driving, but during the drive that led to the next fill-up, I hit WOT often. Now I'm driving more economically.
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Old Nov 16, 2010 | 11:38 AM
  #19  
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Originally Posted by GT_NFR,Nov 16 2010, 08:30 AM
I call BS on anything above 32-33mpg. "drafting" as you guys are referring to requires you to be within 1-2 feet of the car in front of you. So unless you were being towed by the car infront...I would say this is way too close for comfort.

And when you attempt to "draft" behind vehicles at a further than optimal distance...it actually negatively impacts your fuel economy.

And whoever said 40mpg...thats just ludicrous


As for the CR comment....the CR doesn't have any less "drag" resistance than a normal s2k. Drag, as you're referring to is only a based on the cross sectional area of your car. The weight saving can be considered, but 80lbs is pretty negligible when the car weights 2800lb+ and you're also offset by the additional downforce that your rear spoiler creates...

man I need to get back to work...lol
When I first got the car I got 31/32.
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Old Nov 17, 2010 | 09:04 AM
  #20  
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Originally Posted by GT_NFR,Nov 16 2010, 07:30 AM
I call BS on anything above 32-33mpg. "drafting" as you guys are referring to requires you to be within 1-2 feet of the car in front of you. So unless you were being towed by the car infront...I would say this is way too close for comfort.

And when you attempt to "draft" behind vehicles at a further than optimal distance...it actually negatively impacts your fuel economy.

And whoever said 40mpg...thats just ludicrous


As for the CR comment....the CR doesn't have any less "drag" resistance than a normal s2k. Drag, as you're referring to is only a based on the cross sectional area of your car. The weight saving can be considered, but 80lbs is pretty negligible when the car weights 2800lb+ and you're also offset by the additional downforce that your rear spoiler creates...

man I need to get back to work...lol
Yes, it actually does work like that. I see about 3mph more when I'm towing in my Sequoia if I'm behind a Semi. The problem is, have you ever stared at the back of a semi for 2-3hrs...
[media]http://www.youtube.com/watch?v=lttgT1XZVvE [/media]
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