Ford Powerstroke Diesel Forum banner

stroke

  1. !!!!!!Synthetic Oil and 2-Stroke Oil!!!!!!!!!

    99-03 7.3L General Discussion
    I have a couple questions. Has anybody had any problems switching from regular oil to full synthetic. I've heard rumors of people getting leaks from it, but I would think the problem just existed before and for some reason the synthetic made it more prevalent due to lower viscosities or...
Top