I was told to use the High Zinc oil in my GTO Engine by the British Petroleum Oil Expert.
Not some guy posting in a Blog about using full synthetic oils.
They put that high level of zinc in the cars/trucks/engines in the old days for a reason.
I would read this article: https://www.hemmings.com/stories/201...-older-engines
The internet bites someone in the aze again.
Tom V.
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"Engineers do stuff for reasons" Tom Vaught
Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward.
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