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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

EGR Blockoff

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Old May 27, 2010 | 09:13 PM
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Default EGR Blockoff
I have all the blockoff plates on and tightened. I have a question concerning the block off plate on the longtube that would connect to the EGR tube. There is a gasket that came with my Pacesetter headers that I had on there and the bolt on the blockoff plate came loose and burned the gasket up pretty bad.

What I'm wondering is if I can run the blockoff plate on the longtube without a gasket and it will seal fine or if I will need a new gasket. Where could I find a gasket like that?
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Old May 27, 2010 | 09:16 PM
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I would use a gasket on it. Exhaust leaks aren't fun, especially one before the O2 sensor.
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Old May 27, 2010 | 09:17 PM
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Originally Posted by RamAir95TA
I would use a gasket on it. Exhaust leaks aren't fun, especially one before the O2 sensor.
I suppose you wouldn't know where I could find such a small gasket? It came with the longtubes.
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Old May 27, 2010 | 09:22 PM
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You can go to any parts store and buy a sheet of gasket material and make your own, or use RTV.
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Old May 27, 2010 | 09:23 PM
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What would you do, make your own or use RTV? Which would seal better in your opinion?
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Old May 27, 2010 | 09:34 PM
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Since I have like 90 tubes of RTV in my toolbox, RTV.
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Old May 28, 2010 | 06:12 AM
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It almost definitely won't seal up right without a gasket of some kind. Some high temp RTV should work just fine.

Originally Posted by RamAir95TA
Since I have like 90 tubes of RTV in my toolbox, RTV.
Bahahaha, same here dude. Seems like I can never find one when I need it and end up getting another one to add to the collection.
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Old May 28, 2010 | 11:25 AM
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copper ultra, I've used it as header gaskets before
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Old May 28, 2010 | 11:39 AM
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Originally Posted by idformula
copper ultra, I've used it as header gaskets before
That must be a freaking mess.
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Old May 28, 2010 | 12:38 PM
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No, I didnt use it on a firebird or an LT, I used it on a free truck, and free rusty headers.
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Old May 29, 2010 | 07:14 AM
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Originally Posted by idformula
No, I didnt use it on a firebird or an LT, I used it on a free truck, and free rusty headers.
Makes a little more sense but still sounds like a mess and a half.
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