Reply to "Engine Oil Testing Results"

Can one assume similar protection results from the brands at different weights?

I just spent $100 on Joe Gibbs Hotrod "high zinc" non-synthetic 15-50 on the recomendation of a known engine builder.

In the past I had issues when changing to synthetics with leaks springing up where they weren't before, so I tend to prefer using dino oils.

It does seem that synthetic oils DO give better protection, and my first choices (although they would have been the non-synthetic versions) of Joe Gibbs and Brad Penn didn't test as high as I would have thought they would have.

I JUST put the new Joe Gibbs conventional 15-50 :hotrod" high zinc formula in my car, so I'll run it for now, but of course, I want to run the best oil in my expensive engine that I can buy.

So, if I were willing to switch to synthetic, at 20-50, the best oil i can put in my engine would be the Lucas racing oil (I plan to change my oil VERY often, so addatives for prolonging oil change intervals don't apply to me here).