This time at Willow Springs, Randy Pobst is doing an experiment: What happens when you replace the 2020 Corvette’s high-performance Michelin tires with an inferior set? First he’s out setting a super-quick lap that makes full use of the ‘Vette’s grip and power. Then, it’s back to the pits for a refit with some inexpensive, low-end rubber. With advice from Tire Rack’s Matt Edmonds, Randy’s back out on the tarmac. See what a difference tires make.

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