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2003 996 street tires "chunking"

Wheels and Tires

Vehicle Information: Model: 996; Year: 2003; Body Type: Coupe; Total Mileage: 26000;

at a recent DE event at Summit Point, after 2 track days my left side tires were chunking. My front tires had many miles (21K) including about 2K on the track, my rear only had a few thousand miles on it, but the chunks are very small. The tires are Michelin Pilot Sports and the weather was rather cold - low 30's in AM to mid 60's during the day.Besides replacing the worn front, which I planned to do after the event, should I adjust the camber or check the suspension? I am running on the stock 996 suspension.I am planning on upgrading to Pilot Sport Cups for next season and don't want to have similar issues. My tire sizes are 225/40/18 and 285/30/18 and will probably get the Cups in the same size.Thanks

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