Fluid · Rear Differential
Rear Differential
for 1971 Ford Mustang 429ci V8 · RWD
Fluid Type
80W-90 GL-5
Spec: API GL-5
Capacity
5qt
4.73 L
Drain & Refill
5 qt
4.73 L
Change Interval
50,000 mi
80,450 km
Notes
9-inch rear axle with larger housing; add 4 oz friction modifier if limited-slip equipped (most were)
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