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1979 MERCURY GRAND MARQUIS
351ci V8•RWD•AUTOMATIC•gas
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Repairs0Labor477Torque8Fluid8DTC0Battery1Maintenance0Recalls0
Fluid · Engine Oil

Engine Oil

for 1979 Mercury Grand Marquis 351ci V8 · RWD
Fluid Type
10W-40 or 10W-30 conventional
Spec: API SF
Capacity
6qt
5.68 L
Drain & Refill
5 qt
4.73 L
Change Interval
3,000 mi
4,827 km

Notes

With filter change. Ford 351M/351W V8. 10W-40 preferred for warm climates, 10W-30 for cold.

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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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