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Tire hardness
I just bought a tire durameter. It measures hardness.
I read somewhere that Michelin pilot super sports start life with a Ha hardness of 72. For comparison, my chunking, heat cycled out set were about 80.
My old NT01 set that have just lost their thread pattern were 61.
A used set of Federal race tires I just purchased were a little disappointing 72.
But I have no experience with these test or numbers.
Anyone taking pressures, temps AND harness that can share some wisdom?
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