The Porsche 917/30 was unbeatable in Can-Am, to the point that most teams left the series because they just couldn’t beat it. This weeks video from the Monterey Historic races in 1998 shows a field of Can-Am and Group C cars being driven hard at Laguna Seca. Even though the 917/30 is the subject of the video, the twin turbo Shadow DN4 making over 1400 horsepower at the 2:05 mark of the video is my favorite part.