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Originally Posted by michael.long8
Has anyone done a real-life study to see how much sooner their tires wear out because of overinflation?
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They don't - or shouldn't - wear out faster.
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I have inflated my truck tires about 3 psi over the manufacturer's recommended psi, and now I'm showing a noticeable amount of premature tire wear in the center of the tread.
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Lower the pressure again.
You shouldn't get noticeably more wear down the center by increasing the pressure.
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Mind you, I'm only talking about a max psi of 35 psi versus a recommend psi of 32.
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What kind & make of tyres are they ?
Only 32psi being allowed in a road tyre on a truck is plainly ridiculous.
In Europe, vans and light trucks run tyres rated for 80psi once they go beyond regular passenger car tyres due to the required load index.