Replacement panels I have received in the past came with a label saying that
the 'primer' was for shipping protection only and should be removed to bare
metal before painting, and indeed came off relatively easily with thinners.
However more recent panels came with no label and the primer would only come
off with abrasion, so I have tended to think it is a 'proper' primer and
left it on.
Always use a weld-through primer on the insides of box sections or the
repair panels will rust through far quicker than the originals.
----- Original Message -----
From: "Chris Attias" <cattias@ucsc.edu>
To: "MG Listserver" <mgs@autox.team.net>
Sent: Thursday, June 26, 2003 11:01 AM
Subject: Replacement Panel Primer
> I'm about to do a lot of rust repair on my early B. I wrote to Moss
> asking what kind of primer manufacturers put on replacement body
> panels. The answer I got was very general, to the effect that I
> should make sure it was compatible with the paint I was going to
> use...
>
> The second part of my question was whether I should be
> priming/painting the backsides of parts (like sills and doglegs)
> prior to installation as a rust proofing step. No answer on that
> one. I've seen parts with only primer (rattle-can grey mostly) rust
> through, and many primers aren't meant to be exposed to moisture, so
> I'm concerned.
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