Originally Posted by army_men
hard to find Castrol European Formula 0W30 here in Toronto. I did try with no luck. I plan to run Castrol Edge 5w-20 in the winter here and swap them out come the summer. Any one knows any reasons I shouldn't do that?
It is a 20 weight vs 30 weight or 40 weight recommended by manufacturer and isn't on the list of approved oils.
Of those 2 reasons, the first makes me personally more leery.
I think you should spend for oil analysis if you go that route. It's the best way that I know to bring data to decisions like this one. I wouldn't lean on marketing claims or general advice when it comes to oil.