June 29 2012 Average Practice Speeds: Kentucky – Quaker State 400 Jordan McAbee Practice Breakdown, The Other Track with J-Mac 10 lap average, 2012, analysis, average practice speed, Average Practice Speeds, averages, Feature, Friday practice sessions, Happy Hour, Kentucky Speedway, Kentucky traffic, NASCAR, Practice Breakdown, Practice Recap, practice results, practice sessions, Practice Speeds, practices, Quaker State 400, Race 17, Racing, speed, speeds, Sprint Cup Series, ten lap average, ten-lap averages, time, times, what happened in practice, who was fastest, who was fastest in practice The track was very hot and very slick during practice on Friday, More