Oil weight

[40 Deluxe]

Originally Posted by Jeff/Illinois

I personally don't use Walmart oil in any of my cars, but it probably isn't too bad of stuff,,,, a mechanic told me years ago it is recycled oil done at the Mobil Refineries. They clean it up and re-add the same detergents that Mobil uses, and that is good motor oil (although I don't use Mobil eye-ther)

This sounds like nothing more than an urban myth!