zinc oil useage?

LOL and I was the sucker who did it.

I mean, even the dullest of the dull should be able to understand that excess ZDDP causes increased friction which is a power killer.

No one can say they’ve never seen it before. Lake Speed, like him or not is a tribologist so he knows what he’s talking about.
Lake Speed Jr does a really good job dispelling myths and cutting through the BS. One can learn a lot from his videos.