Dale Earnhardt Jr.’s race car and several other race cars will be in Court Square tomorrow, Tuesday April 10, from 10 AM to 1 PM. It’s part of a citywide tour to promote the upcoming Super Chevy Show, the first major event at Memphis International Raceway in two and a half years. It will serve as the kickoff to this spring’s series of “Downtown Alive!” lunchtime events presented by the Downtown Memphis Commission.