Actually,
There are sealers made specifically for freeze plugs. Also, a socket
may not be the correct tool for inserting the plugs. This, because the
nature of the plug is that it is convex in its shape. If it is inserted
properly, tapping in the center of the dome will expand the outside of
the plug and ensure a tight fit. If one uses a socket around the
perimeter, it may not be enough to form a lasting seal.
Just MHO,
Joe Curry
Malcolm Walker wrote:
>
> On Tue, 10 Feb 1998, Angelo Graham wrote:
>
> > Any advice on replacing the frost or casting plug in the rear of the head
> > of a TR3 motor? The plug is a thin steel disc approx. 1 3/4" in diameter
> > and very thin - approx. 1/16". Came out fairly easily. Need some advice in
> > replacing it. Would one use any type of sealer around the plug and the
> > flange in the head casting? Assume it is a friction fit that keeps the
> > plug in place and you have to drive the disc in fairly square.
>
> I think the 'accepted' method of installing casting plugs is by using a
> suitable sized socket as a punch and bashing it in.
>
> If you don't have a set of huge sockets, buzz out to the Cheapy Tool Mart
> and get one that fits your plug.
>
> I think you put form-a-gasket on the plugs too. Probably the blue stuff
> would be fine.
>
> -Malcolm
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