Photo Credit: GRAND-AM Communications

Photo Credit: Communications

and Michael Shank Racing set the pace in opening Rolex Series practice at . Negri ran a lap of 1:23.026 in the No. 60 Aero Ford/Riley to lead the session with Alex Gurney second in the No. 99 GAINSCO Auto Insurance Corvette DP, 1:23.050. Scott Pruett was third with a lap of 1:23.135, but the No. 01 Telcel/Telmex BMW/Riley pit with an engine issue later in the session and the team is working on an engine change.

Bill Auberlen and Turner Motorsport seem to have things figured this weekend at Mazda Raceway. After setting the fastest time in Continental Tire Sports Car Challenge practice earlier in the morning, Auberlen was again fastest in GT with a lap of 1:28.078 in the team’s No. 94 BMW M3. Three manufacturers made up the top three spots in GT with Jeff Segal second in the No. 61 Ferrari of Ontario/ Ferrari 458, 1:28.417, and Eric Curran third in Marsh Racing’s No. 31 Corvette, 1:28.613.

In the GX class Sylvain Tremblay’s lap of 1:33.907 in the No. 70 Mazdaspeed/Mazda/Castrol Mazda 6 was narrowly quicker than Jim Norman’s 1:33.973 in the No. 38 Calcium Pro/RSS Components Porsche Cayman. The Rolex Series is next on track at 2:20 p.m. PT.

FOX Sports 1‘s Live coverage of Sunday’s race from Mazda Raceway Laguna Seca kicks off at 5p ET.

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