gas milage

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92astro
I finally get the smurf thing
I finally get the smurf thing
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Joined: Tue Jan 29, 2008 7:37 pm
Location: oklahoma

gas milage

Post by 92astro »

okay here is an old myth does running your air conditioner in your car or truck use more gas? some people say put down the windows in town where the speed is below 40 mph and put windows up and use a/c with speeds 40mph and above. so what you all think?
bryan in oklahoma i have a 1992 chevy astro with 174,000 miles runs and drives very good with a couple of issues nothing major future mods: 350 smallblock v-8 simple and easy!!, tach, rims and others!!current mods:15%tinted windows

ihatemybike
I plan to be buried in my van
I plan to be buried in my van
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Joined: Sun Jan 06, 2008 6:57 pm
Location: Elgin, IL

Re: gas milage

Post by ihatemybike »

Based on the numerous testing runs done by people on http://www.GasSavers.org using ScanGaugeIIs I'll have to agree that myth, although I have not conducted the experiment using my vans yet.
Aaron

2005 Astro (Gandalf) - AWD, 4.3L, 3.42, 130k+ miles
1997 Astro (Grumpy - $250 Rally Van) - AWD, 4.3L, 3.42, LSD, 2" lift, 31" tires, 335k+ orig engine, $30 eBay fuel pump
Prev Astros:99,97,00,94,87,86
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potskie
I sleep in my van
I sleep in my van
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Re: gas milage

Post by potskie »

Myth busters did a show on that once and their experiment with 2 vans showed that windows open = good in town but the increased drag at highway speeds from the windows open negated any gas savings versus running the ac.
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