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3.2 Intake Insulators Gaskets

Hello Everyone,

I have a quick question...

What sealant is recommended for the insulator gaskets on a 3.2 ?

thank you.

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Old 09-11-2018, 08:25 AM
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I didn't use any.
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Old 09-11-2018, 12:30 PM
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From the engine sealant thread:
Quote:
Originally Posted by Henry Schmidt View Post
On an engine with intake insulators, we use Three Bond 1194 between the head and insulator (no gasket) and 574 (very thin) on both sides of the top gasket.
If the intake is something that may need to be removed, we do the same except trade Curil T for the 574.
This method eliminates a gasket and seals well.
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Old 09-11-2018, 01:07 PM
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Using Porsche's stock parts you use a gasket top and bottom of the insulator with no sealant.

But I'm not inclined to disagree with Henry. I do wonder if he seals the insulator down so it stays in place during occasional manifold removals on a race engine.
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Old 09-11-2018, 01:11 PM
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Sealant

I used this upon recommendation of several veteran re-builders, brown tar like stuff:

Just a very light coat, you don't want excess to go down the intake.

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Old 09-11-2018, 01:19 PM
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I have seen, because of the wall on 3.2 gasket being thin, the gasket side pull into the intake and cause a vacuum leak.
I do replace the insulators when building with new and don't use sealants.
Bruce
Old 09-11-2018, 01:21 PM
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Another gasket sealer is "GaskaCinch"; looks like very thin rubber glue, applies with included brush and easy to remove.

Sherwood
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It's wise to flatten the insulators on a piece of glass (or something else known to be legitimately flat) with some fine grit wet-sand paper. If the insulators have some rough edges or nicks on their surfaces, this can invite the gasket to leak. Not to mention the 3.2 intake is notorious for showing loose barrel nuts.
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Old 09-12-2018, 08:51 AM
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Thanks for the input.
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Old 09-12-2018, 11:24 AM
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