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CONCORD, N.C. -- It's a long flight back to North Carolina from Sonoma, California. Dale Earnhardt Jr. and Jimmie Johnson had a great idea of how to fill it -- chat with fans.

Both drivers held question-and-answer sessions via Twitter, discussing everything from engagement rings to Sunday's race and even a quick round of #BlameJJ. Earnhardt even made sure to find time to poke at former crew chief Steve Letarte, who is set to call Sunday's race inside the NBC booth to kick off the network's Sprint Cup Series coverage for 2015.

Take a look at some of the highlights below:

Check out more of their interactions on Earnhardt and Johnson's Twitter pages.