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Air psi ? 2008 f450 19.5 tires

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Old 03-15-2009, 06:00 PM
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Air psi ? 2008 f450 19.5 tires

i have a 2008 f 450 with 19.5 factory tires , what air psi should i run in tires around town with no weight on them , its says 110 psi on tires i know thats what i will run when pulling my toyhauler , thinking it would be pretty boncey with 110 empty
 
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Old 03-16-2009, 05:59 AM
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Originally Posted by hungwell
i have a 2008 f 450 with 19.5 factory tires , what air psi should i run in tires around town with no weight on them , its says 110 psi on tires i know thats what i will run when pulling my toyhauler , thinking it would be pretty boncey with 110 empty
With dually tires, the only thing that I've heard is not to let them rub against each other... Beyond that, I think that tire pressure is a matter of choice, especially when not towing/hauling. The tires will wear more quickly on the outside edge at lower pressures. Experiment with different tire pressures until you find the one that seems best.

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Old 03-16-2009, 07:05 AM
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75 is a good number empty.
 
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Old 03-16-2009, 02:39 PM
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Get your front and rear axle weights for your normal load condition and use tire inflation tables to figure out the proper corresponding air pressure.
 
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