Agreed ! it's highly detergent yes but not good for lubricating plain bearings under load nor at preventing cam lobe scuffing ~ I'd not do that , just use Synthetic oils and pretty much forget about engine wear .

Or dirt , sludge etc.

__________________
-Nate
1982 240D 408,XXX miles
Ignorance is the mother of suspicion and fear is the father

I did then what I knew how to do ~ now that I know better I do better