I just bought two 5-liter jugs of Lubro Moly 5w-40 for my Porsche. This stuff is wonderful and, coming in large jugs instead of individual containers like M1, is easier to store and pour. And it's 5w instead of 0w in M1. I track the car and prefer 5w-40. It was about $36 for each 5-liter jug so...