The mirrors of Pierre-Henry Mahul’s CD Panhard are full of Ford GT40—not for long. Photo: Peter CollinsFabled Howmet Turbine in profile at speed during the early going. Photo: Peter CollinsThis 1938 Simca 8 finished 11th in the 24 Hours of 1938, and was driven here by Evelyn Heise and Jean-Pierre Jaussaud, using several engines and gearboxes en route! Photo: Peter CollinsThe Jürgen Barth/Jean-Marc Luco Porsche 936 dueled the Bert Skidmore/Dave Vegher Lola T286 all the way to the finish. Photo: Peter Collins