LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Exhaust gaskets?

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Old 12-02-2008, 02:26 PM
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Exhaust gaskets?

Is there a gasket for where the cat flange is and two manifold to y-pipe donut gaskets on 95 Z/28? I have to drop the y-pipe to change my passenger side plugs and wires and I want to have gaskets ready to put it back in if there are any. Thanks.
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Old 12-02-2008, 03:50 PM
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No gaskets on a single cat car.
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Old 12-02-2008, 09:31 PM
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Awesome! and none from manifold to y-pipes?
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Old 12-02-2008, 09:47 PM
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Originally Posted by 78Z28350
Awesome! and none from manifold to y-pipes?
Nope.
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Old 12-02-2008, 10:07 PM
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Cool I found it now because I was looking in my 4th gen parts manual at the LT1 NB6 which is a totally different exhaust system and I saw gaskets. But I found that the NA5 is the system that I have and there are no gaskets listed.

Just curious what the difference between the 95 LT1 NB6 and the 95 LT1 NA5 is, I'm guessing NB6 is the Cali emissions right?
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Old 12-02-2008, 10:53 PM
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Originally Posted by 78Z28350
Just curious what the difference between the 95 LT1 NB6 and the 95 LT1 NA5 is, I'm guessing NB6 is the Cali emissions right?
Correct.
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