Man, That question got everyone fired up and lots of responses.
Heres another question. If I have 32 psi at sealevel and I drive to the mountians and am at 17,000 feet, did I loose any pressure since the air is thinner in the mountians. Or if I am in the mountians at 17,000 feet with 32 psi in my tires and I drive to sea level did I gain presure in my tires due to the fact that the air is greater or more dense and is pushing more on my tires.
IMHO I think that atmospheric presure and weight do make a difference in tire pressure. But it may only may make it increase or decrease by .001 psi. Whith is not enough to tell or read with a tire presure guage. This is kinda like the water in a swimming pool. Say you mark the level of the water on the side of the pool. Then you jump in. Did the water level rise. Yes it did because your body displaced some of the water. Now you look at the mark on the pool. But the water is at the same level on the mark. This is because even though your body displaced the water and caused it to rise, the rise of the water is not enough to be noticed.
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