RX - 3rd Gen (2010-2015) Discussion topics related to the 2010 - 2015 RX350 and RX450H models

curious - what cold psi do you set your tires at?

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Old 06-12-12, 01:47 PM
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joenew61
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Took delivery in February and the computer indicated 39 - 40 as delivered. I have not adjusted them downward. At 4k miles, last tankful was 31 MPG - 65/35 highway/local mix.
Old 06-12-12, 02:14 PM
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bam
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Originally Posted by Sevn86
Currently set to 32. Want to set to 34 but I'm scared i might start to see uneven thread wear.
Air pressure won't affect uneven tire wear. Being out of alignment, worn shocks, and things of that nature are what negatively affect tire wear. Over inflating (at least past the manufacturer's recommendation) helps reduce wear on the tires, assuming properly aligned with good shocks, etc.
Old 06-12-12, 04:05 PM
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DunWkg
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http://www.tirerack.com/tires/tirete...&affiliate=FH3

Several links on that page regarding tire pressure.
Old 06-12-12, 07:16 PM
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Marqevans
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Originally Posted by bam
Air pressure won't affect uneven tire wear. Being out of alignment, worn shocks, and things of that nature are what negatively affect tire wear. Over inflating (at least past the manufacturer's recommendation) helps reduce wear on the tires, assuming properly aligned with good shocks, etc.
Over inflating increases wear to the center of the tires and causes less wear on the outsides.
Old 06-13-12, 09:57 PM
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Sevn86
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Originally Posted by MARQEVANS
Over inflating increases wear to the center of the tires and causes less wear on the outsides.
Ya ur right, so over inflating isn't always the best thing to do. I think I'm gonna stick with 34.
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