The 90-minute session began in dry conditions with an early Porsche Penske Motorsport 963 1-2, before Braun took the top spot in Meyer Shank Racing’s Daytona 24 Hours-winning ARX-06 with a lap of 1m33.563s.
Felipe Nasr was second quickest for the Porsche factory team in the #5 car, 1.2s off the pace but a tenth clear of Nick Tandy in the sister #6 entry.
