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Just wondering how long on average it takes to scrub in a new set of tyres?

I've driven mine about 50-60km and they don't feel like they grip like they should be. I'm still sliding around a bit on them when on power and going thru long, fast corners.

They're Hankook k104's.

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In my experience it depends on the tyres,

with my last set of T1-Rs they performed as good as they ever would pretty much instantly..

with my last set of Dunlop SP Sport Maxxs it was not long before they were grippy, less than 50km..

i just got a set of hankook Z212 RS-2s, when i first got them it was like driving on oil, i have now driven about 280km on them and they have improved but i still dont trust them. I predict they will probably become good with 100km of hard driving or 200-300km of normal driving.

it doesn't happen overnight.

With my T1-Rs although they seemed great even driving out of the tyre shop, i made sure they were run in and it did happen overnight.

A good 400km round trip on one of my favorite roads the day after i got them left no doubts :P

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