On a '99-'00, is the gasket supposed to be 2-ply or 3-ply? I've received 2 gaskets from Mazda recently that are only 2-ply. I have an old gasket that is 3-ply, where there is an inner core, and 2 shiny outer sheets that has indentations. The new 2-ply one has the core and a single shiny sheet. Let me know if I need to post pictures.
Exhaust Manifold Gasket
Posted 03-26-2019 06:49 PM
Posted 03-26-2019 09:54 PM
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Posted 03-27-2019 05:28 AM
The proper factory gasket has an aluminum layer that faces the head and a stainless layer that faces the exhaust manifold. As noted anything works and gaskets are open so run whatever you want
Ahhh...Thank you. I previously had a Fel-Pro one...it has aluminum on both sides. The Mazda ones only have aluminum on one side. I thought they were defective...I threw one away. Duh!
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