February 7, 2017 by David Westberry

Understanding PC-11

On December 1, 2016, two new categories of oil standards were licensed: API CK-4 and FA-4. In the development phase, these oils have been referred to as PC-11A and PC-11B respectively. Both deliver superior performance over current oils. The first will protect new and older engine models. And, the latter was designed to provide optimized…

Continue Reading »