[fleaf]

I don't think there is a universal oil that can solve all engine problems. Just like people, every engine is different and put through different abuse, therefore having different types of wear. As long as you put in something thats name brand, whether it be synthetic or conventional like amsoil, valvoline, redline, penzoil, you will be fine. Oil companies can pretty much say anything they want and there is no way to surely test their promises.