t3 5-bolt outlet gasket? - Miata Turbo Forum -Boost cars, acquire cats.

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Old 06-03-2015, 08:55 AM   #1
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Default t3 5-bolt outlet gasket?

I've heard some don't run a gasket at all for the turbo to downpipe connection, while others use a copper gasket-maker or stainless pre-cut ones.

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Old 06-03-2015, 09:21 AM   #2
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I would run one. The Miata crowd are the only ones I have ever heard about not using them, or maybe I just ignore it when anyone with any car (Turbo or not) mentions it, because its asinine.

ATP-Turbo sells some quality steel gaskets. As long as the faces of both parts are flat, they will work great. If they aren't flat, no gasket will work, and will likely always fail.
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Old 06-03-2015, 09:56 AM   #3
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It's the manifold->turbo gasket that we ignore, not the turbo->downpipe.
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