911SC Models

Components of system include a connecting hose located between crankcase and oil tank, and a second hose connecting oil tank to return valve at air cleaner. Vapors and blow-by gases from the crankcase are taken into the oil tank, where excess oil is separated from the gases. The gases are then drawn into the intake chamber through a hose that has a metered orifice and flame arrestor.

Fig 1: Crankcase Ventilation System for 911SC

Courtesy of PORSCHE CARS NORTH AMERICA, INC.