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Hoosier R7 advice
Looking for any input on Z4s who've raced on Hoosier R7s - (or E46 with 3100-3200lb weight). What are your cold and hot temps for ideal longevity and grip, and how many heat cycles do you get before it drops off to where they are undriveable?
I currently run Toyo RR high about 37psi hot and really like these tires, but looking to experiment with more traction.
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