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Old 12-18-2007, 09:28 AM
jrow jrow is offline
Experienced Metal Finisher
 
Join Date: Jul 2005
Posts: 436
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Default Re: What Would Be...........

Tng21,

What I think you are seeing on the manifold is the marks that the sand casting left.
I'll stick to my original post, use the AO, to get rid of the sand casting marks, but add this. After the AO use Glass Bead as Baz suggested to smooth out the profile, and then go to greaseless and polish!

John
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