Engine Oil

Mineral base oils:
Above 50°F (10°C) 15W-40, 20W-50, 40
Below 50°F (10°C) 15W-40, 10W-40, 10W-30
Below 14°F (-10°C) 10W-30, 5W-30

Synthetic base oils:
All temperatures 10W-40, 15W-40, 15W-50
Above 50°F (10°C) 10W-40, 15W-40, 15W-50
Below 50°F (10°C) 10W-40, 10W-30, 5W-40, 5W-30