Engine Oil

for 1980 Porsche 911SC 3.0L H6 · RWD

Fluid Type

20W-50 mineral or synthetic

Spec: API SF/SG or higher

Capacity

11.5qt

10.88 L

Drain & Refill

10.5 qt

9.93 L

Change Interval

3,000 mi

4,827 km

Notes

Dry sump system. 11.5 quarts total includes oil tank and cooler. Oil change with filter approximately 10.5 quarts. Porsche originally specified 20W-50 mineral oil.

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Other fluid systems on this vehicle

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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.

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