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 > |
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