Fluid · Engine Oil
Engine Oil
for 1964-1967 Mercury Cyclone 6.4L V8 · RWD
Fluid Type
10W-30 or 10W-40 conventional
Spec: API MS
Capacity
6qt
5.68 L
Drain & Refill
6 qt
5.68 L
Change Interval
3,000 mi
4,827 km
Notes
WITH filter. Ford 390 FE V8 (6.4L). Period-correct oil grades; modern API SN oils are suitable. Larger capacity than small-block engines.
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