Originally Posted by strych9
I fail to see how synthetic oil can keep a timing chain from stretching. Any enlightenment on the subject would be appreciated.
All so far that reported failures were using synthetic and went by the original oil monitor (9,000 - 10,000) oil change intervals.
I don't think we ever had anyone com on here and say they changed their oil between 3,500 - 4,500 miles and the chains failed.