Originally Posted by
Tank
Quote: "Although i can`t see any sign of a raised fire ring on my gaskets as they are used ones , it could be that as Frank suggests though the metal to metal theory doesn`t work because it is all metal to metal because that part of the gasket is all metal ."
I wasn't referring to the metal fire rings, I was referring to parts of the gasket that are meant to be compressed by the block and head surfaces:
Quote: "they are designed to compress and seal between 2 metal surfaces, NOT against one another"
Just to clear a point, Regards Frank.