Pro racer Gunnar Jeanette wields the 1969 Porsche 908/02 and puts all 350 hp from its 3.0-liter flat-8 to use in a wild sprint with a Porsche 917 during practice for the Rolex Monterey Motorsports Reunion. Thanks to Jeanette’s visor cam and a rear-facing camera, we get to see the Porsche specialist chase a Gulf-liveried great white shark and then try to escape its rabid pursuit. And once the excitement is over, Jeanette even does a little happy dance inside the cockpit to celebrate…