Dale Earnhardt Jr. was curious as to how the repave at Iowa Speedway would perform when NASCAR came to town, and he is back for another edition of Dirty Air to report on what he saw unfold. Highlights of the episode include:

• Dale needs to start chewing his food more
• Let’s prioritize getting new fans to the racetrack
• Martin Truex Jr.’s retirement announcement
• The NASCAR Silly Season ramps up
• Are repaves the key to better NextGen short-track races?
• Race winner Ryan Blaney joins the show

During the Ask Jr. segment of the show, fans sent in questions regarding:

• How much longer Dale plans on racing
• The 2012 Michigan win in the Batman car
• Updates on the Titanic Lego set
• Father’s Day activities