Originally Posted by VenomRS4
How do you think this stuff compares to something like Red Line?
I think they're all comparable. I think Red Line & Lucas are the newer guys to the market. Amzoil has been around for awhile, it's just their marketing is usually through private dealers (or was in the past) If you ever question an oils' validity make sure it has the API/CC ratings on the bottle. Those are guidelines set by the American Petrolium Institute and they validate an oil for automotive & diesel use.