Every vehicle I've owned does better with the vehicles ratings. They handle better and tire wear is very even. (I put 40-50K miles/year on work vehicles.)

The sidewall rating is for maximums for that tire, regardless of what vehicle you install it on. I know, there are many tire dealers that will tell you different but take note of the fact they want to sell you new tires.

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Sam

84 300SD 350K+ miles ( Blue Belle )