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Old 09-25-2014, 08:22 PM   #17 (permalink)
Mustang Dave
Intermediate EcoDriver
 
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Join Date: May 2009
Location: Northern Arizona - It's a DRY cold..
Posts: 661

Trigger - '07 Ford Mustang V6 Premium Coupe
Team Mustang
Sports Cars
90 day: 32.14 mpg (US)

Big Red (retired) - '89 Ford F-250 4wd Custom
90 day: 18.13 mpg (US)

Big Red II - '13 Ford F-150 FX4
Pickups
90 day: 18.67 mpg (US)
Thanks: 156
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I run the tires on my F-250 at 70 PSI. (sidewall max is 80) It rides like a wagon on dirt roads, but it handles quite well on smooth pavement. Can't tell if it's improved my fuel economy. I only drive it about 3K miles/year.
I've been running the tires on my Mustang @ 50 PSI (sidewall max is 51) for the last 3 months. It hasn't made a significant difference in MPG vs 40 PSI. (less than 0.06 MPG - 0.19% difference; and there was even less difference between 35 and 40 PSI) I'll be setting them at 35 PSI before I go to work Monday morning. A harsh ride isn't worth an improvement of less than 0.1 MPG.
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Fuel economy is nice, but sometimes I just gotta put the spurs to my pony!



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Just 'cuz you can't do it, don't mean it can't be done...
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The presence of traffic is the single most complicating factor of hypermiling. I know what I'm going to do, it's contending with whatever the hell all these other people are going to do that makes things hard.
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