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https://www.slashgear.com/1542331/how-diesel-engine-oil-different-from-conventional-oil/ Interesting article. I would like to know what is factual /inaccurate about the claims made. My vehicles are older gas units and aren't direct injected Any thoughts?

This is great. I wonder if this is the issues with my brothers 91 5.0 foxbody. It Runs rich and backfires.