Sponsored article presented by RM Sotheby's.
The Super 90 was one of the most powerful engines Porsche offered at the time, with a reported 90 horsepower and 90 lb.-ft. of torque (hence the name). Many of these engines were placed in the hardtop 356s, but some found their way into convertible models as well.
Such is the case with this 1960 Porsche …