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Inspection runs into overtime as many of the cars had to be pushed through multiple times before adjustments were approved. Brad Keselowski didn't make it through until qualifying was underway.
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Kevin Harvick was one of the few cars that had no trouble.
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This will be the first time the low downforce package is used at Michigan.
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Crew chief Alan Gustafson observes as NASCAR officials inspect the No. 24 NAPA Auto Parts Chevrolet driven by Chase Elliott.
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NASCAR officials inspect the No. 24 NAPA Auto Parts Chevrolet driven by Chase Elliott. Elliott led the opening practice at Michigan.
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Matt DiBenedetto bumped Kyle Busch off the bubble at one point in Round 1 of qualifying.
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Carl Edwards was one of three Joe Gibbs Racing drivers to advance to the final round of qualifying.
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Martin Truex Jr. was held up multiple times in pre-qualifying inspection.
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A general view of pre-qualifying inspection happening on Kyle Larson's No. 42 Chevrolet.
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Joey Logano scored his second Coors Light Pole Award of 2016 and the 16th of his career. Logano won the pole at Michigan in August of 2013 and went on to win that race.
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Kevin Harvick, driver of the No. 4 Outback Chevrolet, talks to crew chief Rodney Childers during qualifying for the NASCAR Sprint Cup Series FireKeepers Casino 400. Harvick will line up 29th after two runs of his in the opening round of qualifying were stopped by red flags.
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Dale Earnhardt Jr, driver of the No. 88 Axalta Chevrolet, talks to Jimmie Johnson, driver of the No. 48 Kobalt Chevrolet, during qualifying for the NASCAR Sprint Cup Series FireKeepers Casino 400.
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A view of the spotter's stand on the grandstand roof during qualifying for the NASCAR Sprint Cup Series FireKeepers Casino 400 at Michigan International Speedway.
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Joey Logano, driver of the No. 22 Discount Tire Ford, leads a pack of cars during practice for the NASCAR XFINITY Series Menards 250.
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A view of the No. 3 Rheem Chevrolet, driven by Ty Dillon, getting worked on during Friday's practice.
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A crew member pushes tires through the garage area during XFINTIY Series practice.
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A view of Daniel Suarez sitting behind the wheel of his No. 19 Joe Gibbs Racing Toyota during XFINTIY Series practice.
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Darrell Wallace Jr, driver of the No. 6 LoudMouth Exhaust Ford, prepares for practice for the NASCAR XFINITY Series Menards 250.
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Austin Dillon tests his No. 3 Richard Childress Racing around Michigan's 2-mile pavement.
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Chase Elliott, driver of the No. 24 NAPA Auto Parts Chevrolet, talks to a crew member during practice for the NASCAR Sprint Cup Series FireKeepers Casino 400 at Michigan International Speedway.
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Carl Edwards signs autographs for fans on the grid during practice.
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Dale Earnhardt Jr. suits up to drive the No. 88 Chevrolet during practice.
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Kyle Busch chats in the garage during practice.
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Carl Edwards sits in his car during practice for Sunday's race at Michigan.
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Recent Pocono winner Kurt Busch sits in his car during Friday's opening practice session.
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Kevin Harvick walks through the garage area during practice at Michigan.
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Coca-Cola 600 winner Martin Truex Jr. speaks to the media before practice.
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Matt Kenseth signs autographs for fans during Friday's first practice session.
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AJ Allmendinger laughs with the media prior to practice at Michigan.