Recent content by DonTownsend

Thanks for the calculator. My plan is to mix equal parts of Royal Purple in 0w20 and 5w30 in a 2008 Escalade Ext to get a little better startup protection and better fuel economy than straight 5w30. The calculator showed I'd end up with about a 2.54w24.46.Also has anyone considered using the...

I'm new here and it's probably been addressed, but can you mix equal amounts of a 0w20 oil and a 5w30 oil and end up with the equivalent of a 2.5w25 ?