LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 1992 >> Roadmaster V8-350 5.7L >> Repair and Diagnosis >> Specifications >> Capacity Specifications >> Engine Oil
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Engine Oil


TYPE SG(Motor Oil, API Service SG)
SH(Motor Oil, API Service SH)
Use energy conserving oils.

CAPACITY, Refill:
1987 4-cyl. 2.5L Somerset, Skylark w/Auto. Trans., Century 2.8 Liters 3.0 Quarts
1987 Others, 1988-94 3.8 Liters 4.0 Quarts
Capacity shown is without filter. When replacing filter, additional oil may be needed
2.0L Turbo:
Above 40°F (4°C) 30**
All temperatures 10W-30*
1987-88 3.0L V6, 3.8L V6;
1990 3.8L V6 Code L:
1991-94 3.3L V6, 3.8L V6:
Above 40°F (4°C) 30**
Above 0°F (-18°C) 10W-30*
Below 60°F (-18°C) 5W-30
1987-94
All others:
Above 40°F (4°C) 30**
Above 0°F (-18°C) 10W-30
All temperatures 5W-30*
*Preferred
**Use only if other specified grades are unavailable