Heavy deposits on exhaust valves - MC engine

[Kurt Deschler]

I know that a wire wheel will remove it fairly easily. I thought that 
that was ceramic coating when I did my valves so I left it on. Somebody 
please clarify.
 	Kurt
 	87 5kcstq
 	89 200tq
 	00 S4

> Message: 4
> Date: Tue, 20 Dec 2005 16:41:06 +0100
> From: "Eyvind Spangen" <200q20v at bluezone.no>
> Subject: Heavy deposits on exhaust valves - MC engine
> To: <quattro at audifans.com>
> Message-ID: <000701c6057b$caecf140$6e01a8c0 at eyvind>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> 	reply-type=original
>
> I'm currently doing a valve job on a MC head due to the previous owner
> bending intake valve #4 and #5 when changing the timing belt. Now, all the
> exhaust valves have rather heavy deposits, both on top and on the part into
> the combustion chamber. How can this be removed? They are rock hard too..
>
> -- 
> E. Spangen - Norway, Europe
> '88 100TQ
> '86 80TD