Fluid · Engine Oil
Engine Oil
for 1978 Buick Regal 231ci V6 · RWD
Fluid Type
10W-40 or 10W-30 conventional
Spec: API SF
Capacity
4qt
3.78 L
Drain & Refill
4 qt
3.78 L
Change Interval
3,000 mi
4,827 km
Data quality
Book-style estimate
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Notes
Buick 3.8L V6. Capacity with filter change.
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