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1970 MERCURY CYCLONE SPOILER
429ci V8 Super Cobra Jet•RWD•gas
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Repairs0Labor486Torque6Fluid9DTC0Battery1Maintenance0Recalls0
Fluid · Engine Oil

Engine Oil

for 1970 Mercury Cyclone Spoiler 429ci V8 Super Cobra Jet · RWD
Fluid Type
10W-40 or 20W-50 conventional
Spec: API SF or SG
Capacity
6qt
5.68 L
Drain & Refill
5 qt
4.73 L
Change Interval
3,000 mi
4,827 km

Notes

With filter. 429 SCJ used high-zinc oil originally; modern oils may need ZDDP additive for flat-tappet cam protection

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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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