Powered by a tubocharged flat six, the 956/962 had Porsche s first full monocoque structure and was the first car its engineers designed to produce aerodynamic downforce. Raced both by the factory and by private teams, these were turn-key cars: just turn the key.and win. These are among the world s most respected racing cars. In these pages an expert on Porsche, karl ludvigsen, shares rare images from his personal archive and describes the highs and more highs of these great Porsches.