Dave Terrick wrote:
>
> Guys, Gals, and Gearheads,
>
> I just had a great experience in a bead blasting cabinet with all of the
> above. Glass media blasting is wonderful, even, non-toxic, etc. If you
> have access to a shop, use it! Look under sandblasting and ask. I got mine
> done by a friend at a wheel shop. Commercial guys will charge money bit if
> you get some club members together you can do an awful lot of parts for
> their (normal) 1 hour minimum charge.
>
> The result is a grease free, factory appearing casting which you can THEN
> finish as desired. The aluminum colored paint is very close in appearance
> but still will not adhere to grease.
>
> Dave T
If you really want a very nice appearance try a process were they use a
kind of vapour blasting with steel pellets. (might be called 'pressure
polishing'). The components are placed in a closed cabinet and then
polished using steel pellets in a fluid. These pellets polish the
outside and also 'close' the small pinholes that might be there. The
result is a shining component that does not stain very easily.
The process can be used on aluminum components such as carburetors,
manifolds, cilinderheads et. Price is about the same as plastic/glass
media blasting and painting together.
ronald
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