I appreciate the information you guys are bringing forward. There is a lot to know on this subject.

These articles from Hot Rod are interesting reads on the subjects of modern oil's effect on engine and flat tappet camshaft component longevity:

https://www.hotrod.com/articles/0803sr-modern-engine-oil/

https://www.hotrod.com/articles/hrdp-0702-pitstop-zinc-oil-additive/

Ray W


Ray