NASCAR Barometer: Hot Summer Nights

The predicted summer temperatures were hot Saturday night in Kentucky. An especially hot day usually makes for an interesting night race as the sun goes down and the track cools, and the Quaker State 400 was no disappointment.

Jimmie Johnson started from pole with a lap record for the intermediate oval, but it was Kyle Busch who jumped out in front and led much of the early going.

Like all night races, some of the cars that were strong early faded after the sun fell. Busch wasn't necessarily one of those drivers, but he also wasn't able to keep the front ...

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