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. 
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. 
After Chris Buescher and Joey Logano’s fires at …Keep reading