AMSOIL Technical Question Thread

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The problem with the advertising (and usually the vendors) is that they want to sell oil. Sure, they also believe that their stuff is the best, but sometimes facts get lost or hidden.

Really, I am not trying to bash Amsoil (or you), but I've seen a lot of crap on another site when Amsoil was discussed.



API certification, for instance: It costs a lot of money to get oil certified. In my mind that's just an excuse, because enough of it is sold to offset that cost.
However, if there is more zinc in the oil (which we all know is important for flat tappet cams) then it'll fail the API spec. So, it could be better to have an oil that won't pass.
On the other hand, one of the things that worried me about it not being certified is that there's no way to know that the formula stays the same.

About the testing: ALL oil companies tend to use tests that show favorable results. One might compare their results based on a four ball wear test, while another may use a different test for their advertising. One test might be a metal-on-metal test, while another might be more accurate in an application where there are bearings and an oil wedge.
What I was hoping for was an explanation of what the tests really show. I may be asking too much from you, as this info really is rather technical and probably not even made available to you. Sometimes I really do get too in-depth on the technicalities.