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Old 09-26-2014, 08:00 AM   #21 (permalink)
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Originally Posted by FordFiestaS View Post
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
First, I am not a fan of using elevated inflation pressures, but I understand why some are.

Second, there isn't a solid answer to your question. Some folks have reported center wear on elevated inflation pressures below the max pressure - and some have reported even wear on considerably higher pressures. I think this means there is some additional factor driving the wear (in addition to the inflation pressure) .

I would urge caution. There have been reports of traction issues as well when using elevated inflation pressures.


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Old 09-26-2014, 09:09 AM   #22 (permalink)
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Sidewall max in the winter 5-10psi over in the summer.


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mpg, pressure, tires

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