What explains the downward trend in oil viscosity (weight)? The demand to increase fuel economy is by far having the greatest impact. A generation (or two ago) SAE 10, 20, …
The “sum” Truth about Additives !
Additive packages, in short, carry two specific functions: Lessen destructive processes and Enhance beneficial properties of the base oil.
Is Synthetic Oil Better?
Over the years I’ve heard and received many questions about synthetic oil vs. regular oil,