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tire pressure

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Old 01-03-2005, 10:18 PM
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Originally Posted by hovy
Most know that when a tire is run it gets warm, thus increasing tire presure..All tires should be checked and adjusted while cold. On a hot summer day your tire pressures will increase quite a bit.. Ford and others try and find a mid point but your environment will determine the right cold readings. I wonder if you filled your tires in Alaska on a -25 degree day and drove to Florida into an 85 degree day how much higher you pressures yould be?
Funny thing about 85 degree weather with the sun out. Actual road temps can be pushing 200 degrees on black asphault. How does that figure into air psi temps... Probably pushes 35psi tire way above 40psi...

Bottom line has to be tires have a wider range psi wise to run right than we think...?
 
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