Originally written on Fox Sports  |  Last updated 9/16/14

MOTEGI, JAPAN - SEPTEMBER 18: Scott Dixon, driver of the #9 Target Chip Ganassi Racing Dallara Honda watches on during qualifying for the IndyCar Series Bridgestone Indy Japan 300 Mile on September 18, 2009 at Twin Ring Motegi in Motegi, Japan. (Photo by Chris McGrath/Getty Images)
Scott Dixon turned turning the fastest Thursday lap in practice for the Indianapolis 500. The 2008 Indy 500 winner and two-time series champ went 223.088 mph, the second- fastest speed of the week. American rookie Josef Newgarden was second at 222.709. Graham Rahal, another American, was third at 222.080. Those speeds are expected to jump by 4-5 mph when practice resumes Friday and IndyCar officials give the engines more power over the three-day qualifying weekend. Again, the two Lotus cars struggled. France's Jean Alesi turned a fast lap of 207.489, while Switzerland's Simona de Silvestro's best lap was 205.690. English rookie Katherine Legge and France's Sebastien Bourdais took their first laps of the week after team owner Jay Penske worked out a deal to put Chevy engines in the cars.

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