Firestone: IndyCar tire differences still reward good driving

Firestone announced in the offseason that for all street courses this year, the softer alternates would be constructed with a sidewall made from the sustainable guayule desert shrub. These green sidewalled tires made their debut at last year’s race in Nashville, and have been brought onboard for all five of the temporary tracks on the 2023 IndyCar schedule.
At the season-opener in St …Keep reading Source

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