Fluid · Engine Oil
Engine Oil
for 1963 Mercury S-55 427ci V8 · RWD
Fluid Type
10W-40 or 20W-50 conventional
Spec: API SE or MS
Capacity
6qt
5.68 L
Drain & Refill
6 qt
5.68 L
Change Interval
3,000 mi
4,827 km
Notes
With filter change. 427 FE V8 high-performance racing engine. Higher capacity oil pan typical. Add 1 qt with oil cooler
As an Amazon Associate, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.