Quote:
Originally Posted by Mac man
Fords dealers go by door stickers others go by tire labels which is my choice! 80 psi is what I carry!
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I use to do that too but change my mind to actually weigh the vehicle and then air it up according to Tire Manufactures specifications.
I have just 5,000 miles on this rig, no clue what pressures were used before. I just replaced the 2 outside dual that showed that it was over inflated.
Notice the mfg sticker is for max weigh and the same on the tire itself.
A properly inflated tire will improve ride, wear, breaking, impact survival and traction. Tires will also absorb some energy and not transfer it to the suspension. A rock hard tire is not good.
I did add a few pounds to be sure I was not under-inflated. Being over inflated is far better than under-inflated.