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Old 09-25-2014, 02:19 PM   #1 (permalink)
EcoModding Lurker
Join Date: Sep 2014
Location: Southern Vermont
Posts: 57

Oliver - '13 Ford Fiesta S
90 day: 46.52 mpg (US)
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How far over MFR recommended for pressure is ok w/o destroying tires?

I obviously want high MPG 's. I want to pump up my tires a bit but not ruin them. What is considered a safe PSI increase without making the tires bald in the center as a result and not setting off the tire pressure monitoring system.

Factory specs: 32 PSI

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