NASCAR makes changes in response to Next Gen car fires

At Darlington, Kevin Harvick's car burst into flames due to apparent rubber build-up on the headers that ignited.&nbsp;<br>Other cars have caught fire in recent weeks, although for varying reasons. Another issue seems to be the exhaust getting moved/bent after contact, and catching the foam inside the door panel aflame.&nbsp;<br>After Chris Buescher and Joey Logano's fires at ...<a class='more' href='https://www.motorsport.com/nascar-cup/news/nascar-changes-next-gen-car-fire/10365257/?utm_source=RSS&utm_medium=referral&utm_campaign=R SS-NASCAR&utm_term=News&utm_content=www'>Keep reading</a>

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