As for the No. 40 and how a “car as smooth as Tennessee Whiskey” came to be, Earnhardt explained in detail on the “Dale Jr. Download” released Thursday. A car as smooth as Tennessee Whiskey.
Dale Earnhardt Jr.'s JR Motorsports is making its NASCAR Cup Series debut at the 2025 Daytona 500 with Justin Allgaier behind the wheel of the No. 40 Chevrolet.