Polishing Aluminum

Any tips on brining back the shiney finish on old aluminum mag wheels? I have some old Cragar G/T I want to restore, will I need to use sandpaper, what grades? All I need to polish is the outer area around the spokes, I want it to shine like new again. Most of the crud is in the surface, no deep corriosion areas. I have 2 already polished up but it was done before I got them, thanks a lot! BTW, great thread!!!!!!!!

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