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Discussion Starter · #1 ·
I have a GT40 Lower intake manifold, I don't want the exhaust gases heating up the intake air.

I was thinking of cutting a 2" piece of thick rubber hose down the center, rolling it up tight and putting silicone in between all the layers and on the outside and jamming it down the top hole of the lower intake manifold.

Bad idea?
 

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I'm not sure what he needs, but if you're going to block it off block it off at the head.
 

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The last complete engine gasket set I bought had thin metal plates that were used to block off the EGR passages from the head to the intake for "off road use only". It was a TF gasket set, but they were actually all Fel-Pr0 gaskets. The plates had dimples in the middle to keep the plate centered once the intake and gaskets were installed. I will see if I can find a pic somewhere.:yes
 

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You can also get a small freeze plug and drill the intake the right size to press the plug in. I've done that with 10mm freeze plugs. The gasket set that blocks the head passage off will work well too.
 

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Discussion Starter · #14 ·
Cool, Thanks guys.

I will look for a freeze plug or hopefully the gasket's I bought have the plates. I haven't checked yet. I got the standard fel-pro gaskets from auto zone so hopefully I have them too. I'll check when i get home.
 

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