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MotoSook MotoSook is offline
Somewhere in the Midwest
 
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Join Date: Oct 2001
Location: In the barn!
Posts: 12,495
The blasting doesnít erode the machined surface. You can still see the mill marks from the originally milling after casting. With proper care this isnít something to be afraid of. Iíve seen guys do more harm to an engine hand cleaning it and are so careless when assembling it that Iíd worry more about that.
Old 02-25-2018, 02:31 PM
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