Hey Chuck, I should wire to the cage but usually don't. The casting doesn't lose much of the sand casting but if it does,it is so much nicer than the old stained case. My machines do not add any heavy texture to the smooth cases. I have been doing a lot of Muncie cases for a local builder and he as well as his customers are very happy with the look of my Muncie cases.
I have had some problems with aluminium heavy duty Delco alternator fans getting distorted form the shot peen, so I paint those. That is the only part I have ever noticed getting screwed up in the shot peen machine.
I still have not located the star media, I think it is buried in a alternator or starter barrel.It will turn up someday.
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