Synthetic Engine Oils
You may use synthetic engine oils provided the recommended oil quality requirements are met, and the recommended maintenance intervals for oil and filter changes are followed.
See also:
Operating Tips
NOTE:
Refer to the chart at the end of this section for
suggested control settings for various weather conditions. ...
5.7L Engine – If Equipped
This engine is designed to meet all emissions
regulations and provide satisfactory
fuel economy and performance when using
high-quality unleaded gasoline having
an octane range of 87 to 89. ...
Selection Of Engine Oil For Flexible Fuel Vehicles (E-85) And Gasoline
Vehicles
FFV vehicles operated on E-85 require specially formulated
engine oils. These special requirements are included
in MOPAR engine oils, and in equivalent oils meeting
Chrysler Specification MS-639 ...