The speed rating has little to nothing to do with wear. Treadwear rating (220 on these) will give you an indication of how long they'll last, but how far you run them down is up to you. I've seen F1s run down literally to the point where they look like slicks. The person that owned that car only used it at the track (dry conditions) and had the alignment perfect, so there was no cord showing anywhere. But I daily my 1LE and my wife and kids are passengers in the car every single day, so I change them early.
In other words, quite literally, your mileage may vary.
P.S. it's "camber" not "Cambridge" and "alignment" not "aliment".
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My thoughts on some things: - Driving Nannies: If I'm that far out of shape on the street, something has gone terribly wrong and by all means Mr. Computer man, come and get me.
- G2s: Rock throwing is like like a tramp stamp; although problematic, it's a sign of good things to come.
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