Quote Originally Posted by BigRiverMarine View Post
I use Castrol GTX 10-40 in my Suzukis (10-30 for northern engines). You can get Sierra oil filters at NAPA. Do not use the oil filters that have their name on them. The Sierra is as good as factory.
So, don't use the Suzuki Oil and Filter? What about Mobile 1 full synthetic? I have always put this in my vehicles and they have run like a top for a long time.