NAA ZDDP oil analysis results for popular brands: https://board.moparts.org/ubbthreads/show...rt=all&vc=1 Phosphorus is what harms cats, but it is also the part of ZDDPs that provide anti-wear protection. I was told by K. Tyger (who works for Brad Penn) that ZDDP concentrations exceeding 1800 ppm can cause corrosion inhibitors to become less effective, resulting in an increase in corrosion-related issues.
"When I'm in a slump, I comfort myself by saying if I believe in dinosaurs, then somewhere, they must be believing in me. And if they believe in me, then I can believe in me." - Mookie Wilson
