Those are typically used as a "bandaid" for older cars that have had a core
plug rot out or pop out. I have had a couple of cars with them. They are
reasonable temporary replacements, but being rubber (in an inhospitable
environment) they will fail in time.
Sid
>From: "Brian St. Jacques" <brian@varatouch.com>
>Reply-To: "Brian St. Jacques" <brian@varatouch.com>
>To: "Datsun-Roadsters" <datsun-roadsters@autox.team.net>
>Subject: Freeze Plugs
>Date: Mon, 25 Jun 2001 09:21:59 -0700
>
>I have seen a few messages going around about freeze plugs lately. I was
>wondering if anyone had tried the rubber plug type. It is a big rubber plug
>with a big washer on one side with a stud poking through. As you tighten a
>nut on the stud, it flares out the sides of the rubber plug to hold it in
>the hole. Seems to me that they would last a long time and there would be
>no
>material issues to worry about.
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