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Porsche 911 & 914-6 Oil
Circulation System

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1 Oil strainer (crankcase)
2 Return pump
3 Pressure pump
4 Safety valve (opening pressure p = 8 kg/cm = 113 psi)
5 Thermostat (opens to pass oil through cooler at approx. 80° C = 176 F)
6 Oil pressure gauge
7 Pressure relief valve (opening pressure p = 6.2 ± 0.8
kg/cm^2 = 88.2 ± 11.4 psi)
8 Oil cooler
9 Oil tank
10 Perforated plate (to prevent foaming)
11 Bypass valve
12 Full flow oil filter
13 Oil filler pipe
14 Oil temperature gauge
15 Crankcase breather into oil tank
16 Oil tank breather to air filter
17 Combination oil pressure and temperature indicator

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