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1978 OLDSMOBILE 98
6.6L (403 cu in) Oldsmobile V8 (optional)•RWD•AUTOMATIC•gas
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Repairs0Labor480Torque6Fluid8DTC0Battery1Maintenance0Recalls0
Fluid · Engine Oil

Engine Oil

for 1978 Oldsmobile 98 6.6L (403 cu in) Oldsmobile V8 (optional) · RWD
Fluid Type
10W-30 or 10W-40
Spec: API SF
Capacity
4qt
3.78 L
Drain & Refill
4 qt
3.78 L
Change Interval
3,000 mi
4,827 km

Notes

Capacity with filter. Buick 231 (3.8L) V6 engine

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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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