RAM SRT-10 Pickup V10-505 8.3L (2004)
Engine Oil: Fluid Type Specifications
Engine Oil Viscosity
Above 0°F (-18°C) ................................................................................................................................................................................ 10W-30 (Preferred)
Below 32°F (0°C) ...................................................................................................................................................................................................... 5W-30
Chrysler only recommends synthetic engine oils, such as Mobil 1, that are API Certified and meet the requirements of Material Standard MS-10725.