LS - 3rd Gen (2001-2006) Discussion topics related to the flagship Lexus LS430

Tire Air Pressure

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Old 03-10-15, 01:49 PM
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gebo
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Default Tire Air Pressure

I know what the sticker on the car says but for those of you with the 245/45/18 tires, how much air pressure do you actually run in your tires? Do you just run 33 psi like the door says?
Old 03-10-15, 01:55 PM
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Tom57
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Originally Posted by gebo
I know what the sticker on the car says but for those of you with the 245/45/18 tires, how much air pressure do you actually run in your tires? Do you just run 33 psi like the door says?
You can but I prefer 35 - 36 psi cold air inflation.
Old 03-11-15, 05:15 AM
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Jabberwock
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I run 33-34 psi on mine.
Old 03-11-15, 07:49 AM
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XJSFan
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I now run 35-36 and it seems to be the best on the highway. 32-33PSI just seems wishy washy. LOL...
Old 03-11-15, 07:55 AM
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gebo
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Y'all talking about the 245-45-18's right?
Old 03-11-15, 07:27 PM
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AlexusAnja
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I have 16" and I run them at 38 psi hot. I measure when hot after highway driving. For me, this way I know what temp they will be when hot. They come down pretty even and set around 33 psi.
Old 03-12-15, 06:37 AM
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Tom57
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Originally Posted by gebo
Y'all talking about the 245-45-18's right?
Yes, the 18"s. You can run even higher psi on the 18"s for long-distance highway driving. (See tire sidewall.)
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