Mines a 5.7 and i never have looked at the manual once on any vehicle ever lolThe 6.4 hemi comes 0W40 from the factory. If you read the owners manual it usually has a chart with the oil viscosity and temp recommended.
Mines a 5.7 and i never have looked at the manual once on any vehicle ever lolThe 6.4 hemi comes 0W40 from the factory. If you read the owners manual it usually has a chart with the oil viscosity and temp recommended.