Originally Posted By: JAG
The oil above has a lot of detergents (calcium and magnesium-based).
And diesel like package, as Terry has noticed once. Besides, gr.V base-stock itself has a good natural detergent-dispersive properties. The new version is little bit different from this one: aslo gr.V, but not BIO, and another additive package.
The only concern I have is a leak through a carter's joint. I would not be surprised if it's happened with PAO, but not with esters that are known for their seal swell properties. Quite strange. May be, bio grades has a little bit different behavior with time.