Carb Day Fans INDIANAPOLIS (WISH) — Memorial Day weekend is finally here, and the drivers are finishing up their preparation for race day on Sunday. Friday is Carb Day and marked the final practice session for drivers before the Indianapolis 500. Scott Dixon had the fastest lap speed of the day at just over 227 mph. The six-time IndyCar Series champion and 2008 Indy 500 winner will start 21st on Sunday. He’ll look to get his second win and tac…