C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

new plenum gaskets question

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Old Jun 28, 2012 | 11:20 AM
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Default new plenum gaskets question

I just purchase the plenum gasket kit for my 86.

I think i will get them next week

I was wondering. if I need to put silicone to the new gaskest. in order not to have a vac leak????????
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Old Jun 28, 2012 | 11:49 AM
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I've never used silicone and I've never had a leak. Just make sure the new gaskets have those little tabs that hold them to the runners. If not you can remove them from your old gaskets and put them on the new ones. They really help during assembly.
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Old Jun 28, 2012 | 11:50 AM
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thanks.
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Old Jun 28, 2012 | 12:39 PM
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Do not use any silicone/sealant. If you ever have to remove the plenum/runners, you will cuss uncontrollably.
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