Bobby Travis · NASCAR/IndyCar-Korrespondent
Álex Palou delivered another key milestone for Honda's future IndyCar chassis during validation testing at Indianapolis Motor Speedway.
Álex Palou successfully completed his second day of IR-28 oval validation testing at Indianapolis Motor Speedway on behalf of Honda. The five-time IndyCar champion worked through his complete checklist and wrapped up 15 minutes ahead of schedule, a sign of how smoothly the car performed throughout the program.
What the oval testing focused on
The IR-28, the next-generation IndyCar, sat at the heart of the test. On the Indianapolis oval, the focus wasn't lap times in race mode but systems validation: how the car behaves at high speed in traffic with itself, and how it responds to the demands of Indianapolis oval racing.
By day's end, the car showed a speed gain of more than 2 mph compared to earlier test runs, a figure that signals to Honda's engineers their aerodynamic adjustments are heading in the right direction. Cockpit cooling also improved, an element that directly affects driver comfort and data consistency during oval tests with extended full-speed phases.
Palou's role as factory driver behind the scenes
No one following the IndyCar Series over recent years would be surprised that Palou landed this assignment. Four titles in five years and an Indy 500 victory make him the standard-bearer at Chip Ganassi Racing, and that consistency is gold in a validation test. Where a rookie might still be wrestling with the car itself, Palou can channel his feedback directly toward balance and aerodynamic nuances.
For Honda, one thing matters most in a test like this: reliable data. A driver who knows how an oval car should feel under race conditions delivers exactly the reference points engineers need to check simulation values against reality.
What it means for the future platform
The IR-28 is still far from its racing debut, but each completed test day without major issues suggests the development program is on schedule. The combination of more speed and improved cockpit cooling indicates Honda and IndyCar engineers are turning the right dials without losing sight of driver safety.
More test days should follow before the new chassis proves itself beyond just Indianapolis Motor Speedway, after all, the IndyCar calendar demands a car that works across ovals, road courses, and street circuits. Until then, Palou remains one of the crucial benchmarks as a factory driver on the path forward.
