The ALCOA wheels on my '82 showed oxidation and were Dull when we started. I used the smaller Mothers PowerBall and Mothers Aluminum Polish. This was fairly painless and did a fantastic Job.
Here is a link to the Mini PowerBall;
http://www.mothers.com/02_products/05141_b.html
Here is a link to the Mag Polish;
http://www.mothers.com/02_products/05100-05101_b.html
Blue Magic is great just that Napa didn't have it. The PowerBall goes on a Drill and makes this job allot easier, unless of course you can find someone else to polish your Wheels.