Crew Chief Corner: Jeremy Bullins from the Wood Brothers

DAYTONA BEACH, FL - FEBRUARY 14: Ryan Blaney, driver of the #21 Motorcraft/Quick Lane Tire & Auto Center Ford, talks with crew chief Jeremy Bullins on the grid during qualifying for the NASCAR Sprint Cup Series Daytona 500 at Daytona International Speedway on February 14, 2016 in Daytona Beach, Florida. (Photo by Jerry Markland/Getty Images)

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.