The new rear spoiler in the NASCAR Sprint Cup series has been put through its paces on Tuesday at the Talladega Superspeedway by twenty four cars, including the front-runners. It was the first test of the spoiler at a restrictor-plate track.
According to Autosport, several configurations of the spoiler were tested, to find the perfect balance between drafting speeds, closing rates and drag levels. Also, several restrictor plates, including one-inch plus holes, have been tested, allowing some… (read more)