I too have used Autosol with good success on corroded Armorlite mags and old motorcycle cases. Initially it's a lot of hard work & elbow grease to get them to a mirror finish, but after that it's pretty easy to keep them shiny. My mate has a unique method of polishing his centrelines with Autosol

. He puts his diff up on jack stands, starts up the motor, cranks the throttle open 1/2 way, places it in drive, holds a rag coated with Autosol to the rim, polishes the rear wheels first and then swaps the fronts to back. Looks crazy in motion, but is actually quite effective. A supply of old towels is handy for removing polishing paste when polishing, as you can wash them out and reuse them later. If you could find some cloth buffing/polishing wheels for a drill, that would also work quite good with the right polishing paste. If their really corroded, you could always take them to a chrome plating shop as they can polish just about anything to brand new condition. There is also some stuff made by Chemtech, CT11 or CT12 i think, that is used to clean alloy mag wheels, works quite well, but its an acidic/alkaline(bit nasty) type cleaner and leaves the alloy with a clean white finish.
Hey rigidshovel, that ute is the ducks guts mate

. I love black cars, i own a 351 XB falcon thats totaly black

. I woudln't mind finding out a bit more about this "purple polish" stuff myself. Where do you buy it?