“Freeze plug” is a slang term used for the core plugs that are pressed into the block and it’s been used so much that if you go by a auto parts store and ask for them they know exactly what you want.

 

And they aren’t chilled before being pressed in. The plug is stamped from steel with a deep, raised, tapered rim. The top of the rim is larger than the hole and the bottom is smaller. The plug is pressed in at the factory and is held in by spring tension only.

 

Tom

www.towercooler.com

 

 

From: Vanagon Mailing List [mailto:vanagon@GERRY.VANAGON.COM] On Behalf Of Chris S
Sent: Friday, February 04, 2011 5:53 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: Now freeze plugs, Was Oops - I let the engine freeze

 

I thought the term freeze plugs came from the chilling if a tightly
fitting plug prior to fitting due to right clearances. Maybe?

Chris.

Wysłane z iPhone'a

Dnia Feb 4, 2011 o godz. 13:48 David Beierl <dbeierl@attglobal.net>
napisał(a):

> At 10:32 PM 2/3/2011, Tom Hargrave wrote:
>> Freeze plugs really aren't "freeze plugs" - the plugs are inserted
>> into
>> holes left by the block casting process. The holes, or more
>> correctly the
>> bridges, are needed to hold a sand core in place while the casing
>> is being
>
> Which is why the technical name for them is core plugs...
>
> Yours,
> David

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