Logano to Letterman: Just didn't want to 'throw up in my helmet'

Published Feb. 24, 2015 11:00 a.m. ET

foxsports

When the red flag was brought out during the final laps of Sunday's Daytona 500, Joey Logano had some time to think.

On Monday, Logano dropped by the "Late Show with David Letterman" and spoke with the late-night legend about what was going through his mind before the final restart.

Also, do you know how many pounds are in a ton? Don't feel bad ... looks like Logano could use a refresher, too.