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Not trying to be a know it all or disrespectful, there are different grades of rottella oil and I believe "T" is what you are using. Other types may not qualify. There are lots of people that believe...

Again, my understanding is the new detergents are washing the zinc away before it can adhere to the surfaces and this may be the actual problem being blamed on the zinc content. Just the skinny I'm...

My understanding is it is not the zinc content but rather the detergents in the new oil formula causing the problems?

I may have miss led you,
https://www.hagerty.com/articles-videos/articles/2013/08/07/classic-oil

And, I believe the re-formulation was mandated by law to meet the Federal requirements. Currently, to my understanding there are only a few exemptions to the requirements, one being oils designed for...