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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

2028 IndyCar aero tech tour

2028 IndyCar aero tech tour

IndyCar's 2028 car breaks cover

IndyCar's 2028 car breaks cover

Watch IndyCar’s 2028 Dallara IR28 in action at IMS

Watch IndyCar’s 2028 Dallara IR28 in action at IMS

From the vault: Power Trip

Cars

From the vault: Power Trip

By Gary Watkins - Apr 10, 2025, 6:43 PM ET

Built by Porsche, but tamed by Mark Donohue, the shockingly powerful 917/30 dominated the 1973 Can-Am season.

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