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1970 PONTIAC FIREBIRD FORMULA
455ci V8•RWD•gas
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Repairs0Labor482Torque138Fluid9DTC0Battery1Maintenance0Recalls0
Fluid · Rear Differential

Rear Differential

for 1970 Pontiac Firebird Formula 455ci V8 · RWD
Fluid Type
80W-90 or 85W-140 gear oil
Spec: API GL-5
Capacity
4.2qt
3.97 L
Drain & Refill
4.2 qt
3.97 L
Change Interval
30,000 mi
48,270 km

Notes

GM 12-bolt rear (455 typically had 12-bolt). Safe-T-Track limited slip requires friction modifier

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Other fluid systems on this vehicle

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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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