Tire Pressure

Tire Pressure is HUGH, especially on steer tires.  I am fairly confident outside companies that mount the tires for the factories do not air the tires per the advertised pressure.  Most likely they use some pre-determined pressure, like 100 - 105 PSI, across the board.  If you look at a tire OE chart the Pressure is tied to the Load Rating.  This can vary from 105 to 130 PSI.  

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