Date:         Wed, 16 Nov 2005 11:46:05 -0900
Reply-To:     Mark Tuovinen <mst@AK.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Mark Tuovinen <mst@AK.NET>
Subject:      Re: Ceramic Coat Catalytic Converter?
Comments: To: Wil Haslup <wil@CHARMFX.COM>
In-Reply-To:  <437B2E0E.9030605@charmfx.com>
Content-type: text/plain; charset=us-ascii

Wil,

Last I heard they were still using platinum inside catalytic converters, not titanium.

Mark in AK


----- Original Message -----
From: Wil Haslup <wil@CHARMFX.COM>
Date: Wednesday, November 16, 2005 4:05 am
Subject: Re: Ceramic Coat Catalytic Converter?
To: vanagon@GERRY.VANAGON.COM

> Michael Edwards wrote:
> > Just got a new exhaust system and plan to hi-temp ceramic coat
> before> installing.  Does anyone know if you can coat the
> Catalytic Converter?  I
> > have no idea what makes up the inside of these things.  I know
> anything in
> > the exhaust system is subject to high heat, but I think the oven
> curing> temps exceed 400F.
> > Thanks
> > Mike
>
> The insides of a converter are typically a ceramic coated mesh.  I
> believe often the coating contains Titanium which "encourages"
> some of
> the partially consumed gases and other the bad stuff in your
> exhaust to
> take a less nasty form.
>
> I've had converters go bad/get clogged.  As a temporary measure I've
> knocked out the remnants of the insides of bad ones for the sake of
> driving until I could replace it.  The insides are fragile and
> typicallythe outside is a metal that doesn't rust so I'm not
> certain you'd gain
> much by trying to ceramic coat it.  I think they function best after
> they've gotten hot but coating it may change it's effective
> functioningtemp...I'm not sure.
>
> I wouldn't coat it.
>
>
> --
>
> Wil
>
>
> -- http://www.charmfx.com/
>
> "I had amnesia once or twice."
> -- Steven Wright
>