Valvoline™ Teams Up with Hendrick Motorsports Drivers to Test DIYers on "What's Under the Hood?"

LEXINGTON, Ky., May 14, 2015 /PRNewswire/ -- ValvolineTM and Hendrick Motorsports today announced an exciting new online challenge called "What's Under the Hood?" NASCAR Sprint Cup Series drivers Jeff Gordon, Dale Earnhardt Jr., Kasey Kahne and Jimmie Johnson each step out from...