PAO and Hydrocraked can lead to more varnish and deposits?

[OVERKILL]

This is a snip-it from the Machinery Lubrication article. Many of those factors can be seen in passenger car/truck engines.

View attachment 134663

I've definitely had that radiological contamination when I forgot a CANDU fuel bundle in my sump. 😁

 

[ZeeOSix]

I've definitely had that radiological contamination when I forgot a CANDU fuel bundle in my sump. 😁

LoL, many on a list doesn't mean all on the list.

 

[SubieRubyRoo]

LoL, many on a list doesn't mean all on the list.

What about the oil sulfation from burning all that swamp gas loaded with H2S as a way to improve mileage…