Jacky Ickx at the wheel of the F2 Porsche 718. Photo: Walt & Louiseann PietrowiczThe 1973 Can-Am champion 917-30 (left) and the 1970 Le Mans winning 917K (right) lead a group shot of endurance racers on the Lime Rock front straight. Photo: Walt & Louiseann PietrowiczThe Porsche MuseumÕs 1973 917-30, driven by Roger Penske, leads the 1973 championship-winning 917/30 of Matt Drendel. Photo: Walt & Louiseann PietrowiczPorsche Can-Am history abounded at the Rennsport. Photo: Jay TexterJacky Ickx putting the Martini 935 turbo through its paces. Photo: Jay TexterPaul Newman Photo: Jay TexterBrian Redman Photo: Jay TexterRoger Penske Photo: Jay TexterJacky Ickx Photo: Jay TexterDerek Bell Photo: Jay TexterJim Busby Photo: Jay TexterThe 1980 24-Hours of Daytona-winning Joest Porsche 935. Photo: Jay TexterGroup shot of 956s and 962s. Photo: Walt & Louiseann PietrowiczThe 1958 Porsche 356 of Scott Krueger. Photo: Walt & Louiseann Pietrowicz