Engine Oils specifications
Engine Oil Specifications: There has been a great deal of comment lately concerning engine oils. The State of California is looking to remove all of the oils that only meet obsolete specifications’ from the store shelves. API (American Petroleum Institute) has released new Heavy Duty Diesel Engine Oils Specifications CK-4 and FA-4. New Diesel Engines from Ford exhibit excess valve train wear with these new oil specification oils, and other news items. Engine oils have been divided into two (2) main [...]