I have roughly five more liters of Mobil 1 5w30 left, and I am thinking of using Amsoil for the first time. I have two vehicles, and want to use 5-30 for both. Amsoil has two 5-30 versions, an XL and an ASL. What is the difference between the two, besides price. I like an 8000 km interval?
Please weigh in!!!
Please weigh in!!!