NüRBURGRING, GERMANY - MAY 19: Paul Keller / Willy Kauhsen, Samson Kremer Team, Porsche Carrera RSR during the Nurburgring 1000 kms at Nürburgring on May 19, 1974 in Nürburgring, Germany. (Photo by Rainer Schlegelmilch)