Sports car racing in the 1970s and 1980s was a very special time. The Porsche 911 was one of very few cars which participated in both Group 4 and Group 5 racing. While the largely production-based 934 tackled Group 4, the wild 935 silhouette cars played in Group 5. With as much as 800-horsepower on tap, these were mythic beasts in every sense of …
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