I overheard Tom and Ray’s recent show and something about how many miles before an oil change for synthetic oil vs. conventional. I recall them saying that some 30,000 miles minimum may elapse before an oil change is necessary with synthetic oils. Did I hear this right? I went out and bought some…

Synthetic vs. Standard oil change schedule

Beadsandbeads March 5, 2008, 12:25am 7

If you want to pursue this I suggest that you get your oil analyzed by a professional laboratory. That is the only way to tell if it is used up.