Building on the remarkable racing achievements of the 550 Spyder, Porsche’s 718 RSK model refined its predecessor’s design and engineering even further, evolving to stay competitive and keep pace with changing race regulations While improving on the setup of the Spyder by being lower and lighter and having better handling, it used the same mid-mounted engine, the 142hp 1.5-liter Type 547/3 quad-cam engine introduced with the 550A Spyder.
Although the RSK’s debut at the 1957 24 Hours of Le Mans was marred by an accident, in the following year it went on to win both First-in-Class and Third overall. The RSK also took the European Hill Climb Championship in both ‘58 and ‘59 and won the Targa Florio in 1959. During this time period, there was a suspension switch from swing axles to wishbone control arms. Also, a center-seat configuration was developed that could be quickly converted to a two-seat, left-hand drive setup, depending on the race venue. Continue reading From the 718 RSK to the RW RSK