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Old 10-23-2009, 03:07 AM   #11 (permalink)
almightybmw
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Join Date: Jul 2008
Location: Bozeman, MT
Posts: 248

Daily Driver - '02 Pontiac Grand Prix SE
90 day: 18.45 mpg (US)
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Mmmmm yeah. Pretty neat chart, actually useful for some applications. For long distance driving however, useless, unless time is not a factor. For me, a 780 mile trip cannot be made longer by not averaging 65mph, which requires me to drive 75mph in MT and ID, and 70mph in WA and OR, (Bozeman to Portland). I can't afford to add 8 seconds per mile, as well as the mountainous area here, I found going slower made for worse mileage because of the automatic down shifting and the 4th gear lockup (another reason I should mod it for manual lockup.

Neat chart, if I lived in a flat state it'd work. But the mountains (not puny hills) make it impossible.

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