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Can h/g’s go bad from the outer exposed edges?


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On my first edition 2.2 the upper edge of the headgaskets took some abuse from debris and moisture sitting atop the engine.

 

Those little areas of exposed gasket at the top of the heads have gotten soft , rusty looking , and you can even see how the rust weakened the gasket to the point that it’s brittle.

 

Just curious if seepage causes them to degrade.

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