[Editor's Note: This article originally appeared in the July 2019 issue of Classic Motorsports.] Think those old tires are still safe enough? They sport plenty of tread, so they must be good, right? Perhaps you should reconsider. We performed this test a while ago, and the results bear repeating: Old tires do not perform nearly as well as fresh ones. For this test, we compared old rubber with new. The first was a set of NOS Michelin X tires that had been bagged and sealed for 33 years.
