Recommended Oil for a factory 350?

[cedorris]

Originally Posted by weircc

I will say this and i think a lot of you will agree everyone has there pro's and con's about oils but i don't think anyone is gonna recommend any brand of walmart oil but that's just my opinion.Myself i prefer castrol 10w-40 all year round

I been doing a lot of research online and have found may sites agreeing that Walmart SuperTech is generally a good oil. Some sites say it is made by Warren Performance Products and others say Valvoline.