INDIANAPOLIS (Tuesday, May 15, 2012) – Another wild Happy Hour at the Indianapolis Motor Speedway led to the fastest speeds of the month as teams continued preparations for the 96th Indianapolis 500 Mile race.

Marco Andretti, driving the No. 26 Team RC Cola Chevrolet for Andretti Autosport, led the way with a lap of 40.2367 seconds (223.676 mph) – the fastest lap of the four days of practice.

Helio Castroneves, driving the No. 3 Shell V-Power/Pennzoil Ultra Team Penske Chevrolet, was second with a lap of 222.025 mph and James Hinchcliffe (221.864) was third in the No. 27 GoDaddy.com Chevrolet. Graham Rahal’s No. 38 Service Central Honda was fourth fastest (221.855) with Ryan Hunter-Reay fifth in the No. 28 Team DHL/Sun Drop Citrus Soda Chevrolet (221.814).

The top 25 cars were separated by a second as teams continued working on race set-ups and simulations on the 2.5-mile oval. They’ll turn their attention May 18 to set-ups for qualifications as they’ll be afforded an extra 40-50 horsepower via turning up the boost of the turbochargers.