Welcome to RACER.com's live report from practice for the Indianapolis 500. Check back throughout the day for updates from trackside. *** 12:01 p.m. ET: Several cars take to the track early as rain is on the radar west of Speedway. *** As we prepare for qualifying for the 100th Indianapolis 500, here's an important update on qualifying procedures. INDYCAR has updated its rule book, specifically Rule 8.4.3.4.4, to account for any car entered in the 100th Indianapolis 500 that is "unable to complete a guaranteed qualifying attempt due to a mechanical condition or on-track incident on Saturday."  From INDYCAR: "Any car that fails to complete its guaranteed...
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