440 exhaust flange gaskets

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Old 06-25-2011, 10:57 AM
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440 exhaust flange gaskets

Does anyone know of a better than stock manifold to exhaust pipe gasket
for a 1968 440 HP
I have had my manifolds resurfaced and when I install the gaskets they last for a short time and start leaking again I wonder if there is an after market 2 bolt gasket that might last longer
Thanks

Old 06-25-2011, 11:56 AM
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Rickyr, make sure both surfaces are flat and clean, and the way to go would be copper.But,I don't think anyone makes them,so buy some copper and make your own.
Try:http://basiccopper.com/samplerpacks.html

good luck,john
Old 06-25-2011, 12:07 PM
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I have made sure both are flat and clean
I will try copper
I have been just getting stock ones from AutoZone
Thanks
Old 06-25-2011, 12:22 PM
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Have you tried the local dealer for a gasket ??
Old 06-25-2011, 03:40 PM
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Are you still using a H pipe ? If not your pipes may be swaying and causing your problem.
Old 06-26-2011, 05:39 AM
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I do have the factory H pipe
I have not tried a dealer but I have tried AutoZone & Year One and both are the same
Thanks
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