Tirades about Gr III. Yet can't explain all the clean valvetrains et al. Can't explain why a B&S motor is clean and sludge free. Cant' explain why PYB is GF-5 ready even though it's dino.
Even puts up link after link that torpedoes your own positions.
Why not just say what you're bending over backwards not to. You want everyone to use synlube.
I haven't seen anything that says Dave, or other dino users, are on the wrong track. But I've seen the results of not following the mantra of quality oil, filter, mfg or better OCIs.
many of them from Kerk's own links.