Quote Originally Posted by southside
Where can you find Rotella and how do you know what kind to get.If you use like 5w30 what kind of Rotella should you get?I never heard of them before.And what about fossil oils whats good about that?

Rotella is all 15/40. Its designed for diesels mainly, I've never run it in any gas burning vehicle except my 500,000 mile F150. Wal Mart seems to be the cheapest place to buy it.