Fluid · Rear Differential
Rear Differential
for 1966 Chevrolet Corvette 327ci V8 · RWD
Fluid Type
SAE 80W-90 GL-5
Spec: API GL-5
Capacity
1.8qt
1.7 L
Drain & Refill
1.8 qt
1.7 L
Change Interval
30,000 mi
48,270 km
Data quality
✓ Verified
Cross-checked against OEM or multiple independent sources.
Notes
Positraction rear requires special Positraction additive or limited-slip specific fluid. Non-Positraction uses standard GL-5.
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