FWIW none of my engines have the slightly convex/concave core plugs, all use
the
cup-shaped ones. It is the inlet manifold on the roadster that has a Welch
(not 'Welsh' as some say, you get leeks with those) plug at each end.
PaulH.
----- Original Message -----
From: "Charles & Peggy Robinson" <ccrobins@ktc.com>
To: "Paul Hunt" <paul.hunt1@blueyonder.co.uk>
Cc: <Editorgary@aol.com>; <mgs@Autox.Team.Net>
Sent: Friday, October 15, 2004 9:06 PM
Subject: Re: Freeze Plugs
> Paul, the term I learned was "Welch" plugs, named after the guy who
> came up with the concave plugs that are expanded by peening and that
> we're discussing here. There are other types, as I'm sure you know.
Check out the new British Cars Forum:
http://www.team.net/the-local/tiki-view_forum.php?forumId=8
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