'Soda' is sodium bicarbonate; it's soluble in water which makes it a good blast
media but I doubt it's very soluble in
oil (or solvent). Try mixing some baking soda with solvent and/or oil and see
what happens; my guess is it stays
pretty gritty.
I don't have experience with it, but I don't think I'd chance it unless I could
be sure not to get any media inside the
block. I'd probably use naval jelly or some other chemical rust remover.
Bob
On 1/16/2012 6:29 PM, john spaur wrote:
> I had my block cleaned at a machine shop and because I was not able to paint
> it right away there is some light rust on
> the outside.
>
> If I use soda to blast it away should I be concerned if some of the soda gets
> into the oil galleries?
>
> I can clean the galleries with solvent but I am curious to know if the soda
> might harm the bearings once everything is
> back together.
>
> Tank you,
> John Spaur
> San Jose, CA
>
>
>
--
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Bob Spidell San Jose, CA bspidell at comcast.net
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