The top three average one-lap speeds all came from the first session on Saturday with McDowell’s lap at 185.293 mph leading the way.
Kyle Larson was fastest in the second session (185.293 mph).
McDowell and Logano led the way in the first 20-minute session. McDowell topped the speed chart with an average lap speed of 185.771 mph, just edging Logano (185.764 mph).
With just over five minutes remaining in the session, Bell spun around off Turn 2 and down the backstretch but did not appear to hit the wall with this No. 20 Joe Gibbs Racing Toyota.
Larson, who has been consistently fast in practice since the playoffs began, topped the second session at 185.293 mph.
Erik Jones was second fastest (185.2326 mph) and last weekend’s race winner, Hamlin, was third (185.140 mph).
Playoff drivers Chastain and Chris Buescher filled out the top five.