Navi said:While the Amsoil 5W30 stayed in grade it did so barely. Thus I am looking to an HDEO MultiVehicle 5W30 in the future...
I would say it stayed pretty well in grade. Starting viscosity @ 210 is 59.7 and you're at 58.1. Also 10.3 vs 9.67, doesn't seem too bad at all.