quote:The US military is encouraging the use of re-refined oil that meets MIL-PRF-2104G. That's the oil they use in many of their their multi million dollar close combat vehicles. Most commonly 15W-40 which could be one of the reasons why 76 is making a 15W-40 re-refined oil.
Originally posted by TC: "Once the engine, which had 318,000 miles logged on it, was revealed during the teardown, it was in virtually new condition. Daniels credits quality lubricants such as 76 Lubricants Firebird 15W-40, a product of ConocoPhillips Company, as “one of the driving forces” behind the incomparable engine wear. .... http://www.76lubricants.com/news/metro.asp