Marco Andretti, grandson of the great Mario Andretti, was able to grab the top single lap time in today’s Indy 500 practice session in his Andretti Herta Autosport Honda, averaging a speed of 233.491 MPH over the 2.5 mile course. Today’s cars were in a different class than they were for the previous days of practice because they were set up in their special qualifying modes.  The cars are allowed to run a higher pressure in the turbochargers for qualifying, leading to an extra 80 horsepower from the 2.2L V6, and significantly higher speeds. Teams did their best to send their drivers out in clean air to further simulate a qualifying run, contrasting the large packs of cars that...
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