Pop Off Valve, for IndyCar fans

The Indy 500 has always meant many things to many people, but its meaning needs to be updated for the modern sports fan.

The past decade-plus at Indianapolis has felt like the energy has been slowly draining from the Greatest Spectacle in Racing. This year, the energy is back.

Gut reactions to the 2011 Indianapolis 500 follow an "instant classic" of a race that saw yet another last-lap pass for the victory.

There may not be a more dramatic single day in racing than Bump Day at the Indianapolis Motor Speedway, where drivers make a last-gasp attempt to become part of the 100th Anniversary Indianapolis 500 starting field.

In part two of Pop Off Valve's SBNation Indy 500 Primer, we examine some of the time-honored traditions accompanying the Greatest Spectacle in Racing.