It does vary somewhat based on heat, track configurations, and track surface but I typically get 8-10 days from a set of NT-01 before they cord. I swap L>R if running the same track multiple days and mount tires based on anticipated wear for the day.
I have run a bunch of different track tires over the years but NT-01 are still among my top 3 favorites after shredding about 20 sets. A good DE/TT tire that is predictable and manages heat well. RS4s last longer and are better in rain but are not as good dry grip wise. RE-71r seem to be just as fast but don't like heat and are gone in 4-5 days.
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2009 Cayman 2.9L PDK (with a few tweaks)
PCA-GPX Chief Driving Instructor-Ret.
Last edited by Topless; 06-05-2019 at 01:44 PM.
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