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Install? To use copper or not on exhaust gasket?

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Old 01-14-2010, 01:38 PM
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Default Install? To use copper or not on exhaust gasket?
As stated is everone just running the metal gaskets or in combination with rtv/sealant?
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Old 01-14-2010, 01:43 PM
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I've never used any sealant on the stock style MLS gm gaskets. Mine are still the original ones that came on the car, been on 3 sets of headers and 2 different motors and still don't leak a bit.
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Old 01-14-2010, 02:38 PM
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you your going to use anything buy the can of copper spray...its almost like spraypaint that turns gaskets into copper gaskets works very well on exhaust
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Old 01-14-2010, 06:47 PM
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GM MLS, no RTV or sealer needed.
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Old 01-16-2010, 11:08 AM
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Percys Seal-4-Good, is another choice.
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