TBI Manifold Preference...???

[Shannen Durphey]

Glass bead doesn't etch the metal.  It beats the sruface
smooth.

Techline coatings.  Web page on the internet.  Summit racing
and Speedway Motors are two suppliers.

Shannen

David Hunt wrote:
> 
> Two questions.
> 
> Why not glass bead?
> 
> Where did you get the coating?
> 
> dh
> ----- Original Message -----
> From: "The Punisher" <punisher454 at hotmail.com>
> To: <diy_efi at diy-efi.org>
> Sent: Sunday, May 27, 2001 1:53 PM
> Subject: Re: TBI Manifold Preference...???
> 
> >
> >
> >
> > >From: Shannen Durphey <shannen at grolen.com>
> > >Reply-To: diy_efi at diy-efi.org
> > >To: diy_efi at diy-efi.org
> > >Subject: Re: TBI Manifold Preference...???
> > >Date: Sun, 27 May 2001 01:37:27 -0400
> > >
> > >The Punisher wrote:
> > > >
> > >
> > ><snip>
> > >
> > > > I applied thermal barrier coating on the piston tops,combustion
> > >chambers,
> > > > valve's, and exhaust ports. I air-brushed it on after
> SAND-blasting(NOT
> > > > glassbead), then cured it in the oven.
> > >Acid etching works very well.  Prep and cleanup times are
> > >significantly reduced.  Hydroflouric wheel acid is strong
> > >enough to etch stainless valves as well as everything else
> > >you may choose to coat.
> > >
> > >Shannen
> > I'll look at trying that next time. This was a back yard project done with
> > an air-brush, small sandblaster and the kitchen oven. 4years later there
> is
> > still no sign of any of the coatings coming off on the aluminum,stainless
> or
> > cast iron. I'm sure a shop like Jet-Hot does superior work, but this seems
> > to do fine(so far). I used the tech-line stuff.
> > Thanks for the acid tip, I just might have to try it soon :) .
> >
> > The Punisher
> >
> > _________________________________________________________________
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