Oil forum fans love to judge oils by UOA, giving them scores for how the oil “performed.” But that’s mostly wrong. UOA isn’t meant to rank oils. It’s mainly a tool to check engine health and contamination, not to judge oils

Oil forum fans love to judge oils by UOA, giving them scores for how the oil “performed.” But that’s mostly wrong. UOA isn’t meant to rank oils. It’s mainly a tool to check engine health and contamination, not to judge oils
