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Old 06-18-2013, 06:19 PM   #1
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Default Tire Psi Help

Have 09 Malibu lt on 245/35zr/20 lexani tires which say max psi on them is 49. Any ideas of ideal psi for my tires?
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Old 06-18-2013, 06:38 PM   #2
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Default Re: Tire Psi Help

The max on the tire is 49 psi. If you run that pressure on your Malibu, you'll most likely take the center tread out first due to over inflation. I think the stock tires are 44 psi max and the recommended pressure is 30 psi. I'm running 33ish right now for cold pressure. My opinion would be start in the lower to middle thirties, wherever you prefer, and watch your tread depth. Note it every so often, inside, middle and outside. All things being relatively equal, wear should be even across the tire. Center worn more = too high of a pressure and both outer shoulders worn = too low of a pressure. Assumes wheel alignment is correct of course.
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Old 06-19-2013, 02:46 AM   #3
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Default Re: Tire Psi Help

And if your drive tires wear faster then the others quit doing burn outs.
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Old 06-19-2013, 04:42 AM   #4
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Cool Re: Tire Psi Help

Originally Posted by SeaRay245se View Post
And if your drive tires wear faster then the others quit doing burn outs.
... or rotate them more often - and I don't mean rotating them by burning them off!

Good one SeaRay!

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Old 06-19-2013, 07:08 AM   #5
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Default Re: Tire Psi Help

I run 36 in front and 34 in back cold
That is with the factory tires though.

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