I know that braking may suffer if there is less rubber on the road, but i dont think I'm going out on a limb to say that if you are already ecodriving the feet you may lose in a panic situation is moot if you were not speeding, were watching your traffic, and timing your lights. I dont think we are testing the under/oversteer limits of our car AND trying to break last week's mpg record at the same time. If going outside factory rating nets an improvement most people are going to try it so being careful is necessary. I will say my tires are very dry and they slide no matter what psi they are inflated. I know to behave.
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