Piston cleaning

Hi everyone,
Whats a good blasting media that WILL NOT remove the aluminum. Just the oxidation. Damn Mice got in the box....
Thanks.
Al

baking soda

+1 stay away from glass beading . Walnut shells would be the only other "blasting material" I would consider. Baking soda is the best.

Scotch bright

If Im left with corrosion scars beloww the surface, will that still be okay?
Thanks.
Al

How bad is it? Post some pics.

It'd be best to tape up the ring lands and pin bores.....just blast the skirts and top.

Lem Evans wrote:It'd be best to tape up the ring lands and pin bores.....just blast the skirts and top.

Thanks Lem that's what I'll do. If there is a little mark left. It will just hold more oil!
Regards.
Al

i remember a few yrs. back Harold made rhe mistake of setting 2 of his in muratic acid for cleaning,that was a nono.i was a little concerned when i assembled it but,it turned out ok.

The sides of the ring lands are not as critical as the bottom of the ring groove ( where the compression sealing is done). The lands can be rubbed on with scotchbrite and not harm them. Wash thoroughly afterwards.

Ive found that a5o/50mix of acetone and transfluid makes the best penetrant bar none. Ive done wonders with it.