Logano, who won from pole at Darlington earlier this year, had to watch as several drivers challenged his fast time late in the session.
None were closer than Christopher Bell, who came just 0.009s shy of stealing away the top spot.
Logano, who won from pole at Darlington earlier this year, had to watch as several drivers challenged his fast time late in the session.
None were closer than Christopher Bell, who came just 0.009s shy of stealing away the top spot.