Re: powdercoating kit!

[jonas miller <sjmill@erols.com>]

i was thinking of the poweder coating on the outside..the thermal
coating is on the heated metal..pistons tops eexhaust valves
jonas


John Van Vuren wrote:
> 
> I think you are thinking of ceramic coating.....
> 
> Powdercoating is similar to painting.....   a negative (?) charge is applied
> to the part and the paint is actually a powder that is electrically
> attracted to the part...  then baked, where the power "melts" and forms an
> attractive coating that is shiny and very chip resistant.
> 
> John
> 
> '87 16v Scirocco
> and lots of other stuff
> website - http://www.prod.net/jvanvuren/vw.htm
> 
> >powdrercoating readuces thae amount of heat allowed into the metal....
> >at the shop i work at we use two types a Thermal dispersion coating adn
> >a super slippery coating
> >
> >The TDC would go on the thigns that would see fire ..ie exhaust vavles
> >adn ports, and well as pistons tops..
> >the superslippery stuff goes where the oil touches ..
> >you can also thermal coat the outside if the head...
> >in the exhaust ports it will not allow the het to go into the metal so
> >where dows it go ..the only place is out....
> >whe you thermal coat the items that are usually o teh outside or the
> >airintakes and such,..i have my runners thermal coated so that way the
> >metal cant let the heat into th meatal so tall the air has to do is go
> >into the engine..it can lower engine temps by up to 10 degrees or more
> >depending onthe coating ....it also improves the life and reliability of
> >teh copmponent..
> >HTH
> >jonas
> >
> >dcewing1 wrote:
> >>
> >> What does powder coating do?  Is it just for looks or does it do
> something
> >> for performance?
> >>
> >> Dave
> >>
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