It would be wise to replace all of them while it is easy to do it.
They rust out from the inside, and one of them could start leaking the day
after you reinstall the engine.
A couple of years ago, I had a couple of leaky plugs behind the manifolds.
It took about 15 minutes to replace them, and about 4 hours to remove
and replace everything that was in the way.
BTW, I used permatex copper as a sealant, but I had never gotten a definitive
opinion of whether sealant was really necessary.
Doug Braun
'72 Spit
At 12:36 PM 2/27/2003 -0500, you wrote:
>Two questions:
>What is the best way to remove core (freeze) plugs from the block?
>What is the best way to replace them ? i.e. is a sealant required, are
>they just pounded in , etc.
>There are a few on my block which look a little ratty , but they don't
>leak , so I am planning to replace them for appearance sake only .The bare
>block is on my engine stand , so now would be the best time to do it.
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