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Innovations in Racing with Dale Earnhardt Jr.

StarTalk Radio

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The Benefits of Nitrogen in Tires

Goodyear provides all of the teams with tons of tire data on sidewall stiffness and all kind of pliability in the rubber. And there's also a safety factor like if you start the air pressure too low, the tire itself will come apart over time. So what they found was that by using nitrogen, which is dry has no oxygen has no water in it rather. That made the builds more predictable.

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