Re: 1968 327/ 350 Corvette Thermostat Housing?
Jeff------
It was neither. My recollection of the original gasket is that it was dark gray, "composition" material very similar to the gasket material in the attached photo. I think it contained asbestos although the material pictured does not.
I do not recommend the original type gaskets as they are EXTREMELY difficult to remove. Instead, use the current GM gasket which is a fiberboard material with a silicone rubber sealing bead. MUCH better in every way. GM #10105135.
Jeff------
It was neither. My recollection of the original gasket is that it was dark gray, "composition" material very similar to the gasket material in the attached photo. I think it contained asbestos although the material pictured does not.
I do not recommend the original type gaskets as they are EXTREMELY difficult to remove. Instead, use the current GM gasket which is a fiberboard material with a silicone rubber sealing bead. MUCH better in every way. GM #10105135.
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