i have 2 sets of wheels and tyres, i use my toyo R888 gg compound (med) for competition and summer use the car is so light tyres don't heat up or wear like they would on a production car
i have no experince with the new toyo R888R as its so new and untested.
a tip i found when tyre hunting is to look at the tread wear rating on the sidewall this way you can compare tyre softness between tyre makers and their compounds
high number (hard) = long lasting, lower grip, low rolling resistance, hard to get hot
low number (soft) = quick wearing, higher grip, higher rolling resistance, easy to get hot and sticky
normal use road tyres = 300-250
sports road tyres = 280-180 (ns2r norm = 180)
soft sports road tyres = 150-110 (ns2r soft =110)
med compound track day tyres = aprox 100 (toyo 888 GG/med)
soft compuund track day tyres = approx 60 (yokohama soft)
super soft track day tyres = aprox 20-40 (khumo super soft)
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