Team Chevy dominated all phases of the Indianapolis 500 in 2024, but plenum fires caused several of its drivers trouble in qualifying. Testing appears to have resolved the issue.

Let’s delve into a phenomenon that’s nothing new in turbocharged forms of motor racing, but took center stage on Saturday in qualifying for the Indianapolis 500 when multiple Chevrolet-powered entries experienced plenum fires at the most inopportune times during their four-lap runs.First, what’s a plenum?It’s an enclosed airbox that sits...