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Old 06-03-2007, 12:16 PM
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Frost Plugs

Hey guys when installing frost plugs I was told to coat the edges with silicone and then punch them in. Does this sound correct and if so will any silicone do??

Thanks,
Keith

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Old 06-03-2007, 12:21 PM
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high temp RTV works best.
the orange stuff.
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Old 06-03-2007, 02:47 PM
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Personally I like the Permatex Aviation "Super 300" form a gasket.

Permatex® Super 300® Form-A-Gasket Sealant
Slow drying, non-hardening sealant designed to resist heat transfer fluids such as oil or antifreeze. Temperatures range from -65?F to 425?F (-54?C to 204?C). Resists antifreeze, aviation fuels, high-detergent oils and lubricants. Suggested applications: Use to seal precut gaskets or close machined parts.

Just my personal choice.

tom
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Old 06-03-2007, 10:40 PM
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Quote:
Originally Posted by machine shop tom
Personally I like the Permatex Aviation "Super 300" form a gasket.

Permatex® Super 300® Form-A-Gasket Sealant
Slow drying, non-hardening sealant designed to resist heat transfer fluids such as oil or antifreeze. Temperatures range from -65?F to 425?F (-54?C to 204?C). Resists antifreeze, aviation fuels, high-detergent oils and lubricants. Suggested applications: Use to seal precut gaskets or close machined parts.

Just my personal choice.

tom
And it cleans up easily with alcohol.
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Old 06-04-2007, 09:29 AM
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Quote:
Originally Posted by machine shop tom
Personally I like the Permatex Aviation "Super 300" form a gasket.
Good stuff!
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Old 06-04-2007, 10:09 AM
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Never heard them called frost plugs before, always freeze plugs. I doubt a frost would do much damage to your engine, but a freeze sure would if you didn't have any .

Vince
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Old 06-04-2007, 10:39 AM
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This has been beat to death on here, but I couldn't resist. The CORE plugs are not intended to pop out if the coolant freezes. They are on the block as a means of removing the core sand from the casting process.
I have seen blocks split from deck to pan and the plugs were still in their original places.
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Old 06-04-2007, 03:31 PM
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Quote:
Originally Posted by 1ownerT

This has been beat to death on here, but I couldn't resist.

The CORE plugs are not intended to pop out if the coolant freezes. They are on the block as a means of removing the core sand from the casting process.

I have seen blocks split from deck to pan and the plugs were still in their original places.
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