If track days are in order....
....you should just buy another set of wheels and put track tires on them.
Run an all season on the street, because they will last longer, work better in the rain, and deal with Boston winter temps.
Use an "R" compound on the track.
Dual purpose tires don't really survive track days.
Good luck.
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550 SE #310---"It's more fun to drive a slow car fast, than a fast car slow."
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