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Old 12-16-2014, 03:22 AM   #1
Gregski
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To Goop Freeze Plugs Or Not To Goop?

So I have read articles saying do not put anything on freeze plugs when you install them and I have seen articles saying put RTV or some sort of gasket or calking material on them to ensure a good seal. Same goes for YouTube videos, some swing one way others the opposite.

I know this much, I installed my first steel freeze plug dry and it leaked. So I reinstalled the same style steel plug with some copper RTV gasket goop and it does not leak.

So what do you all say/recommend?
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Old 12-16-2014, 03:57 AM   #2
Just call me Sean
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Re: To Goop Freeze Plugs Or Not To Goop?

I use RTV or shellac. I also use brass plugs not steel.
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Old 12-16-2014, 04:17 AM   #3
bigwheel15
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Re: To Goop Freeze Plugs Or Not To Goop?

I installed steel dry with no issues.
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Old 12-16-2014, 08:22 AM   #4
BigBlocksRule
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Re: To Goop Freeze Plugs Or Not To Goop?

Brass with shellac, no leaks, no rust-outs.
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Old 12-16-2014, 08:59 AM   #5
Jake Wade
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Re: To Goop Freeze Plugs Or Not To Goop?

Quote:
Originally Posted by Gregski View Post

I know this much, I installed my first steel freeze plug dry and it leaked. So I reinstalled the same style steel plug with some copper RTV gasket goop and it does not leak.

So what do you all say/recommend?
I think you just answered your own question.

I use brass plugs and Permatex aviation sealer in a brush top can.
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