I have no experience with MMO. With anything other than oil spec'd for your car, I'd run it EASY, with frequent oil anf filter changes. No glowing turbo and abrupt showdown.......okay? -Scott by BOSTON > > I'm guessing that dino oil + turbo w/o afterrun fan + > long service intervals = potential fo' sum sludge. I, > too, vouch for Marvelous Mystery Oil. >