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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 03-29-2012, 09:17 AM   #1
Slickcas
 
Drives: 12' 2SS/RS LS3 IBM
Join Date: Nov 2011
Location: Paris. ILL
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Headers gasket sealer

Diff is at Jannetty getting 3.91s. So now that the car is up on the stands I put on my Kooks LT hearders and HF cats and some other stuff.

But my question is: Do you need to use high temp silicone on the header gaskets? I used new GM gaskets. As the back part of the exhaust is off I can take the hearders back off but that would suck LOL.
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Old 03-29-2012, 09:28 AM   #2
NCRMotorsports
 
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NO WAY..no silicone unless you are using NO gasket at all. The MLS gaskets are excellent at sealing as long as the flanges are thick on the headers (which they are on kooks)
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