Quote:
Originally Posted by 9dreizig
Why do they say it's not advisable ? If it's the same tread pattern and diameter what's left?
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The answer seemed pretty lame to me. It was like the shaving process would remove tread evenly all around the tire, preserving any imperfections already there. I would think it would wear the same way normally, anyway. They also mentioned that it's a good idea to rotate the tires more often than the recommended 7,500 miles, as Subarus and Audis seem to be sensitive to tires of slightly different tread depth. Supposedly, there's been a lot of lawsuits on the issue. I could live with more frequent rotations to play it safe.
The place that shaves the tires said they've done it about 10 times on other cars with no issues. I'll have them measure the tread depth on the other 3 tires and have them shave the new one to the average. These tires seem to only be normally available at Subaru dealers, and few seem to carry them. The closest dealer I could find with them is 41 miles away, and I have to wait until Monday to buy the tire or get it shaved. Interestingly, the temporary spare doesn't have a speed restriction on the sidewall, but in the manual under "temporary spare" is says to not exceed 50 mph. Doesn't say anything under the tire changing section.