I have been using snow tires on my 986 for several years, and it's become increasing hard to find 255 rears I now run run 205 front / 225 rear on 17" rims. The narrower tires "cut" instead of "plowing" the snow, or so I have been told. Just be careful around curbs, the 225 rears do not go past the edge of the rim, so it's a lot easier to get curb rash.
Porscha
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