Originally Posted by
TrdLtly
Do you have a good reference for that? I have considered that also and just wondering what the oil guys are saying. Thanks
Here's a link to the BITOG article:
http://www.bobistheoilguy.com/motor-oil-101/
Basically, 0W-30 and 5W-30 oil is the same viscosity at operating temperature. It's with a cold start that the 0W is less viscous and more desirable.