Tire Pressure

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02-23-02, 01:47 PM

genius1512

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Tire Pressure

I have 235/40/18 tires, how much air should I put in them?

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02-23-02, 02:28 PM

ChuH

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I run 36 psi on both front (245/40R18) and rear (275/35R18). I find this best balance between comfort and performance. Most of my driving is city. Some owners set theirs at 40 psi (highway). Lexus recommend 33 psi for the stock 235/45R17 which is too low for lower profile tires (18"+).

Chu...