Fluid · Rear Differential
Rear Differential
for 1966 Oldsmobile Starfire 425ci V8 · RWD
Fluid Type
80W-90 GL-5
Spec: API GL-5
Capacity
3.75qt
3.55 L
Drain & Refill
3.75 qt
3.55 L
Change Interval
50,000 mi
80,450 km
Notes
Rear axle with hypoid gears. Higher performance 425 often equipped with Posi-Traction requiring limited-slip additive.
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