The Indianapolis Star

What is a plenum event? Inside the glitch that hampered Chevy drivers in Day 1 of Indy 500 qualifying

INDIANAPOLIS – After four consecutive Mays of watching Honda-powered teams win the pole for the Indianapolis 500 – and three of those races ending with Honda victories – Chevrolet came into this ...
NBC Sports

Why six Chevy drivers had plenum fires in Indy 500 qualifying, and how the problem will be fixed

INDIANAPOLIS – Confirming six plenum fires during Indy 500 qualifying Saturday, Team Chevy executives said the manufacturer would be working around the clock and around the globe to fix the problem.
WTHR

Will Power suffers engine hiccup as Chevrolet and Honda struggle ahead of Indy 500 qualifying

INDIANAPOLIS — Will Power experienced the seventh engine issue for Chevrolet in two days of Indianapolis 500 qualifying when his Team Penske entry sputtered Sunday during practice ahead of the ...
The Indianapolis Star

What to know about Indy 500 qualifying: Plenum events, Penske domination, heroic late runs

INDIANAPOLIS – Day 1 of qualifying for the 108th Indianapolis 500 had Team Penske domination, crashes, 'plenum events' and heroic last-second runs. In short, it had all the drama longtime fans crave ...