I'm sure you already know that the first place to look is the head gasket itself. Even if the gasket itself hasn't failed it mayl show marks where either the block face or head face has had an issue.
You may also find you don't find the cause. You may find you put it all back together, it will run like a sewing machine and you'll never really know the cause.
You may also find you don't find the cause. You may find you put it all back together, it will run like a sewing machine and you'll never really know the cause.



