Switching from one oil type to another can invite a lot of concern, but that doesn't have to be the case. In this episode, you'll learn how an owner that went from years of running one grade changed to another and wound up with results that were strikingly similar. Our host, Blackstone Joe, wasn't surprised and tells you exactly why he more or less expected the results post-switch to be a mirror-image of what we had seen from this particular engine before.