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Britwrench Britwrench is offline
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Join Date: Aug 2001
Location: Brighton UK since 11/2012
Posts: 3,170
I always go by the vehicle manufacturer's recommended pressure.... for manufacturer's specified tires (NI,2, etc for Porsche). On other tires, assuming they are the correct sizes as specified by the vehicle manufacturer, set to the same pressures.
On non-stock sizes there will always be "discussions" over the correct pressure, depending on personal preferences and type of use.
The tire sidewall marking is not the specified pressure it should be set to.

Tire pressures should be checked with an accurate gauge when cold.
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From November 2012; Precision Porsche Specialist
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Old 05-25-2008, 01:26 PM
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