Fluid · Rear Differential
Rear Differential
for 1966 Pontiac Tempest 389ci V8 · RWD
Fluid Type
80W-90 GL-5
Spec: API GL-5
Capacity
4.25qt
4.02 L
Drain & Refill
4.25 qt
4.02 L
Change Interval
36,000 mi
57,924 km
Data quality
Calibrated
Platform-calibrated book-style value. Verification program ongoing.
Notes
389 typically came with heavier-duty rear end. Add limited-slip additive if Safe-T-Track equipped
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