After a recent oil change at the dealership where they used Valvoline Bulk Oil 5w30, my engine did not feel the same. It felt a bit rougher and not eager to rev like before. Up until now, I always got a Pennzoil Platinum full synthetic oil change and this change to regular bulk oil was devastating (to me). So rather than perform a drain and refill, I looked at other options and the Lubegard was recommended on this site. I got a 15oz bottle from Amazon as the local O'reilly or the NAPA did not carry them in stock. Poured the bottle into the engine and the engine purrs like a kitten. As good or even slightly better than it did with Pennzoil Platinum.
While researching this, I also discovered that there is a Heavy duty version available and wondered what is the difference. Here is what I found:
While researching this, I also discovered that there is a Heavy duty version available and wondered what is the difference. Here is what I found: