Take a trip inside the cars and the radio waves to hear the chatter between crew chiefs and their drivers over the last four NASCAR Sprint Cup races, from Charlotte to Michigan.
NASCAR America: Scan All 43 from Charlotte to Michigan (VIDEO)
NASCAR TALK | NBC SPORTSNASCAR
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A.J. Allmendinger
Alex Bowman
Anthony Alfredo
Aric Almirola
Austin Cindric
Austin Dillon
Brad Keselowski
Brandon Jones
Brendan Gaughan
Bubba Wallace
Carl Edwards
Chase Briscoe
Chase Elliott
Chris Buescher
Christopher Bell
Clint Bowyer
Cole Custer
Corey LaJoie
Dale Earnhardt Jr.
Danica Patrick
Daniel Hemric
Daniel Suarez
Darrell Wallace Jr.
David Ragan
Denny Hamlin
Erik Jones
Garrett Smithley
Greg Biffle
Hailie Deegan
Harrison Burton
Jamie McMurray
Jeffrey Earnhardt
Jimmie Johnson
Joey Logano
John Hunter Nemechek
Justin Allgaier
Justin Haley
Kasey Kahne
Kevin Harvick
Kurt Busch
Kyle Busch
Kyle Larson
Landon Cassill
Martin Truex Jr.
Matt DiBenedetto
Matt Kenseth
Michael Annett
Michael Jordan
Michael McDowell
Noah Gragson
Parker Kligerman
Quin Houff
Ricky Stenhouse Jr.
Ross Chastain
Ryan Blaney
Ryan Newman
Ryan Preece
Timmy Hill
Todd Gilliland
Tony Stewart
Ty Dillon
Ty Gibbs
Tyler Reddick
William Byron
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