The right tire shop with the right equipment and a person knowledgeable in setting Porsches up for the track is your friend.
Alignment specs are fairly wide ranging, a good guy can set the alignment to favor street driving with minimal uneven wear and still be within spec. The bozo will just set within spec and may be on the other end of allowable tolerances. The race guy knows the impact of the various edges of the various setting.
Made a huge difference to me. Went from cupping and wearing to even wear even after enough years and varied conditions that I finally ditched the tires due to age.
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