Zeltweg 1000 kms: Claude Haldi /Paul Keller, Porsche Club Romand, Porsche 911 S leads Erwin Kremer / Rudi Lins, Kremer Racing, Porsche 911 S.
Claude Haldi /Paul Keller, Porsche Club Romand, Porsche 911 S leads Erwin Kremer / Rudi Lins, Kremer Racing, Porsche 911 S.