Fluid · Rear Differential
Rear Differential
for 1970 Pontiac Firebird Formula 400ci 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 or 10-bolt rear. Safe-T-Track limited slip requires friction modifier additive
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