Fluid · Engine Oil
Engine Oil
for 1974 Mercury Cougar 351ci V8 · RWD
Fluid Type
10W-40 conventional
Spec: API SE
Capacity
5qt
4.73 L
Drain & Refill
5 qt
4.73 L
Change Interval
3,000 mi
4,827 km
Notes
With filter. Ford 351 Cleveland or Windsor. Use 10W-30 below 0°F, 10W-40 for most conditions per 1974 Ford specs.
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