Fluid · Engine Oil
Engine Oil
for 1969 Mercury Cougar 427ci V8 · RWD
Fluid Type
10W-30 or 10W-40 conventional
Spec: API SE/SF
Capacity
5qt
4.73 L
Drain & Refill
5 qt
4.73 L
Change Interval
3,000 mi
4,827 km
Notes
427 FE big-block, extremely rare in Cougar — primarily Galaxie/Fairlane engine. With filter change.
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