Originally Posted By sixpackgut
Originally Posted By A39Coronet
If there were issues, Mopar/Dodge would be the first to know, and the first to let customers know. Engineers came up with the oil recommendations for a reason.


Better fuel milage. Thats it. The only reason OEM's require 0 weight oil. Blame it on the govt


The ignorance in this statement is overwhelming and a prime example of why the OP should listen to the manufacturer and not some internet clown.

Do you even know what 0w40 means?

No, you do not.

Educate yourself

http://www.upmpg.com/tech_articles/motoroil_viscosity/

They say there are no such thing as a stupid question.
They say there is always the exception that proves the rule.
Don't be the exception.