Philipp Eng paced the second practice session for Saturday’s Chevrolet Detroit Sports Car Classic on the streets of downtown Detroit.
Eng, in the No. 24 Team RLL BMW M Hybrid V8, reeled off a best time of 1:06.348 to edge out the No. 6 Penske Porsche 963 of Nick Tandy by one-tenth of a second.
Sebastien Bourdais was third quickest in the No. 01 Chip Ganassi Racing Cadillac V-Series.R, while Nick Yelloly put two BMWs in the top-four overall and in the GTP class.
The No. 7 Penske Porsche of Felipe Nasr completed the top-five.
Corvette Racing by Pratt Miller Motorsports swept the GTD Pro ranks, led by the No. 4 Chevrolet Corvette Z06 GT3.R of Tommy Milner.
Milner’s 1:09.654 lap time was 0.167 seconds quicker than teammate Antonio Garcia in the No. 3 Corvette.
The No. 77 AO Racing Porsche 911 GT3 R of Seb Priaulx was third in class.
The two-hour session saw four red flags, including two involving GTD Pro machinery.
The No. 64 Multimatic Motorsports Ford Mustang GT3 of Harry Tincknell and No. 9 Pfaff Motorsports McLaren 720S GT3s were stationary in the Turn 1 runoff to bring out separate reds.
Additional stoppages were for a dislodged advertising banner and debris, respectively.
Both the No. 6 Penske and No. 85 JDC-Miller Motorsports Porsches were held for ten minutes at the start of the session due to exceeding the time permitted on carry-over tires from the Rolex 24 at Daytona.
GTP teams were permitted to utilized up to one set of extra soft compound Michelin tires from the season-opener but only within the first 60 minutes of the session.
Qualifying is set to get underway at 4:40 p.m. EDT with live coverage on Peacock, IMSA.tv and IMSA Radio.
RESULTS: Practice 2