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Old 10-17-2014, 09:43 AM   #22 (permalink)
elhigh
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Join Date: Jan 2008
Location: SE USA - East Tennessee
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Josie - '87 Toyota Pickup
90 day: 29.5 mpg (US)

Felicia - '09 Toyota Prius Base
90 day: 49.47 mpg (US)
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Based on Metro's graph - NICE, by the way - it's pretty obvious that there's a diminishing returns curve on that. Harder is better, but it means for a harsher ride. Someone mentioned giving the struts a harder life as a direct result of higher tire pressures, I can see why a lot of guys take pressure to mid-40s and stop.
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