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2.4l twin-turbo v6

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IR28 impresses as Rossi completes first validation test at Indy

IR28 impresses as Rossi completes first validation test at Indy

Palou and O’Gara debrief following IR28 IndyCar test at Indy

Palou and O’Gara debrief following IR28 IndyCar test at Indy

Palou expects track records to fall with IR28 after second day of testing

Palou expects track records to fall with IR28 after second day of testing

2028 IndyCar aero tech tour

2028 IndyCar aero tech tour

IndyCar's 2028 car breaks cover

IndyCar's 2028 car breaks cover

IndyCar 2028: The new engine formula, explained

IndyCar

IndyCar 2028: The new engine formula, explained

By Marshall Pruett - Dec 19, 2025, 10:14 AM ET

RACER’S Marshall Pruett has spent the last year tracking developments with the IndyCar Series’ new chassis, engine, and the rest of what’s on the way for 2028.

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