Updated

So, have you ever wondered what the difference is between a crew chief's job and that of a car chief?

If so, you're in luck, thanks to the good folks at Wood Brothers Racing, which fields the No. 21 Motorcraft/Quick Lane Ford Fusion for rookie driver Ryan Blaney.

In this edition of "Crew Chief Corner," Jeremy Bullins, crew chief for the Wood Brothers, introduces viewers to car chief Corey Tucker and the two talk job descriptions within the team.