OMFG, Not Another Synthetic Oil Thread (This one is different though)
One of the myths that has been around since I joined here was that using synthetic oil in a high mileage sludgy engine will kill it.This has been proven false.
Another thing I tried was the Super Tech fully synthetic oil at Wal-Mart. Before I used it, I searched the internet and found the MSDS for it. It said that it is really made by Havoline.
After the 4th oil change using it, I have had no engine problems, no catastrophic failure, and no expensive sounds.
I am using this oil in my 2.7 with 152,750 miles on it, and in my Mom's 2.7 Sebring with 48,000 miles on it.
I know, as soon as I figured that out I said dammit, fukin Kyle was right.