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Every day another problem or question.

When I was installing the two gaskets for the Exhaust Pipe that fits between the EP and Exhaust Manifold my wife pointed out that the Service Manual instructs to ensure the gaskets face UP, which according to the manual there is a UP mark stamped on the gaskets.

Well, my metal gaskets have no UP mark only a bulge (bubble) on one side that goes around the gasket, about 1/4 inch in diameter. The reverse has a cavity (swimming pool) that is the opposite of the bulge.

So, does anyone know which side faces up, the bulge (bubble) of the cavity (swimming pool)?
 

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Can't really see it, but the dish (swimming pool side) is facing up and the bulging side is facing the exhaust manifold. Really only fits one way. The gasket from the header pipe to expansion chamber faces the same way. Dish facing up. Don't think I've seen any exhaust gaskets marked with the up.
 

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