Jimmie Johnson posted the fastest single lap of practice at Dover International Speedway in practice for the AAA 400. His top lap of 158.026 was more than one mile per hour faster than second-place Ryan Newman with a 157.020.
Our View The top of the board was dominated by Chasers. In addition to Johnson and Newman, Juan Montoya (156.986), Greg Biffle (156.952) and Kurt Busch (156.474) rounded out the top five.
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