Quote:
Originally Posted by cenix
Was surprised to see you running the Rotella T6 which a lot of other car guys love (I had this in my STI). I already know it's a great oil, but I also "heard" it's bad for the catalytic converters... any truth in this?
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Only if you burn tons and tons of oil. Like obliterate through the stuff. Otherwise you're not going to hurt anything.
This IS great oil, but the s65 needs 10w60. Now I heard that the bearings in this engine weren't designed properly and that you're better off running 10w50, but 5w40 oil is too thin and best left for cold weather use.
Also, shell rotella has a lot of detergents so it's not the best for your engine to run this stuff over and over again, but rather on the occasional oil change just to keep things clean.