you should be using a full synthetic or synthetic blend 5W-20 oil. A 6.2-liter HEMI engine requires 0W-20 oil, which is a bit lighter when the engine is cold. Drivers of vehicles with 6.4-liter ...

Last week we explained the basics of motor oil, from viscosity to additives and ... at Ford said they’ve switched to lighter weight 5W-20 oils in order to trim fuel consumption.

Mobil 1 Extended Performance full-synthetic motor oil 5W-30 helps protect critical engine parts for up to 20,000 miles between oil changes,* controlling oxidation to prevent oil breakdown and ...

However, if your car normally requires the use of 5W-20, it's dangerously low on oil, the only motor oil you have available is 5W-30, and you must drive it, it's better to add the 5W-30 than it is ...