When Shane van Gisbergen doesn't have the fastest car in qualifying at a road course, he's expected to be the guy to beat. So, when he does have the fastest car in qualifying, as was the case on Saturday at Watkins Glen International, it's enough to put the rest of the field on notice. And boy, van Gisbergen's fifth career NASCAR Cup Series pole came in dominant fashion. The native of New Zealand had a run through the bus stop portion of the 2.45-mile road course that was a thing of beauty, and showcased speed that made his competition green with envy. By the time the session was over, SVG had topped the field by 0.259 seconds, a staggering margin for a pole-winning run in the modern Next Gen era of the NASCAR Cup Series. After climbing from his car, van Gisbergen down-played his speed in qualifying, and instead focused on his car's imperfections on the long-run in Saturday's practice session. “Just rear grip, tire life.…