Complete Archive of Cees Siewertsen

ETCC ZandvoortAutorensport Zandvoort11.8.1974
52The car did not arrivePorsche 911 Carrera RSR # - Porsche F6 2v SOHC 2994 cc N/AGT
Polifac Racing Team (NL)Closed bodywork
Rear-engined
Drivers listed: Jürgen Barth (D)/Cees Siewertsen (NL)Result: did not arrive
Colours: unknown
Tyres: unknown
Zandvoort TrophyZandvoort Trophy10.8.1975
22 - Porsche Carrera RSR #005 0004 (Kremer) - Porsche Kremer RacingPorsche 911 Carrera RSR 3.0 #005 0004 (Kremer) - Porsche F6 2v SOHC 2994 cc N/AGT
Porsche Kremer Racing (D)Closed bodywork
Rear-engined
Driven by: Cees Siewertsen (NL)/Jürgen Barth (D)Result: did not finish (Gearbox)
Grid: 7th (1:37.7000)
Colours: unknown
Tyres: unknown
Photo updated: 09/01/2009Photo by courtesy of: Hans Fohr