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My '09 G6 GT DIC says my pressures are 28 lbs, but my hand gauge says they are 32-33 lbs. Using the hand gauge, my '96 Grand Prix went 126K mi on the original RS-A tires, recommended pressure of 30 lbs, so I thought it was pretty accurate. Would a 4-5 lb difference effect traction or wear?
Is there any specific brand tire gauge that is known to be very accurate? My hand gauge is just a standard chrome pen-like one from Wal Mart.
No, the above is not a misprint, the OE tires on my Grand Prix went 126,000 mi, and were replaced 10 years and 1 month after I bought the car. They were close, but not entirely down to the wear bars.
Thanks for your help.
Is there any specific brand tire gauge that is known to be very accurate? My hand gauge is just a standard chrome pen-like one from Wal Mart.
No, the above is not a misprint, the OE tires on my Grand Prix went 126,000 mi, and were replaced 10 years and 1 month after I bought the car. They were close, but not entirely down to the wear bars.
Thanks for your help.