What is the best engine oil to use in this car.

TYPE SG(Motor Oil, API Service SG)
SH(Motor Oil, API Service SH)
Use energy conserving oils
CAPACITY, Refill:
Allante 5.7 Liters 6.0 Quart
4.6L code Y, 9 6.6 Liters 7.0 Quart
All other FWD 4.7 Liters 5.0 Quart
RWD 3.8 Liters 4.0 Quart
Capacity shown is without filter. When replacing, filter, additional oil may be needed
All Temperature 1993-94 RWD 5W-30*
Above 40°F (4°C) Except 4.9L code B 30**
Above 40°F (4°C) 4.9L code B 30
Above 0°F (-18°C) 10W-30+
Below 60°F (16°C) Except 1993-94 RWD 5W-30*
+Preferred Except RWD
*Preferred RWD
**Use only if other specified grades are unavailable