Re:Valvoline’s Premium Blue Engine Oil and other CJ-4 Diesel motor Oil.

Ingat po kayo dito, according to big tribology consultants sa US this is best used for new Diesel Engines, 2007 design and later which conforms with the new US Emission Policy, that require among others the use of diesel particulate filter or DPF.

The additive mixture and content ( to prolong DPF life) of this new diesel motor oli rating may be detrimental to older design diesel engines.