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Old 07-24-2015, 04:18 PM   #11 (permalink)
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If you spend most of your time driving the highway then I would think it would be worth doing the lower air dam. If on the other hand your mostly city or evenly mixed then like Metro said you would likely lose the benefit in real mpg terms.

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Old 07-24-2015, 07:43 PM   #12 (permalink)
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Question

Quote:
Originally Posted by Longsnowsm View Post
If you spend most of your time driving the highway then I would think it would be worth doing the lower air dam. If on the other hand your mostly city or evenly mixed then like Metro said you would likely lose the benefit in real mpg terms.
It's out on the highway 90-95% of it's life.

How effective would that black garden edging stuff work ?
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Old 07-24-2015, 10:33 PM   #13 (permalink)
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We say that an air dam gives you most of the benefit of a belly pan, with a fraction of the time and expense; members usually report approximately 3% better fuel economy with an air dam.
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Old 01-23-2019, 12:47 PM   #14 (permalink)
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Originally Posted by MetroMPG View Post
This weekend, I drove a friend's 2012 Jeep Patriot from Ontario to Nova Scotia, about 1800 km (~1100 miles). It's the 2.4L 4-cylinder engine, automatic CVT. 2-wheel drive.......On this drive, I also learned......how to "short shift" it in manual mode. See: http://ecomodder.com/forum/showthrea...rly-21149.html
I had a 2007 Dodge Caliber w/CVT. Altho there was a low mode, it didn't have "shift mode" which was always silly. The CVT was programmed to give best MPG at 2000rpms. Above 60MPH the CVT was at its maximum ability to shift "higher", so rpms increased above 60MPH. So I accelerated slowly, keeping rpms close to 2000 & tried to stay near 60MPH, unless traffic got stacked behind me. While most Caliber owners averaged 26-7MPG, I averaged 31MPG with E10 fuel, with a high of 35MPG. Using E0, I averaged 33MPG with a high of 37MPG.


Last edited by litesong; 01-23-2019 at 12:53 PM..
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