Quote:
Originally Posted by Jim in Wisconsin
At least with the cast iron heads, you are bolting two pieces of cast iron together with a gasket in between them. How could it matter which way the gasket goes? Gravity can't be an issue, what else could there be? A leak is going to be the same problem in either direction.
Aluminum heads would be a different situation.
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Jim
I'll take a "stab" at a "theory" I have and it's based on my daily experience with gaskets and gasket material I sell in the Industrial field. I "would think" OR my rational IS, with the metal trimming toward the block It is closer OR facing the area where "spark/explosion" happens THUS it is the first to face the "hottest" temperature SO having steel closest to the hottest temperature "MAYBE" handles the hot temperature better than the graphite material???? Just my twisted logic!!!