I have bright natural machine finish clear coated wheels and the clear is crazing, cracking and peeling not to mention the crusty brake dust in the nooks and grooves. What is the best way to refinish them? I have a blasting cabinet and I refinished a set of painted wheels which turned out very nice on this BMW:



but on machine finishes bead blasting gives the bare aluminum a dull matte finish that I want to avoid. (I did buy a case of walnut shells to see how they would work in the blaster, just haven’t got around to trying it yet.) I thought about taking them to a stripper and having them dunked but it seems either no one does that anymore due to environmental regulations, or if they do, the chemicals are too strong for aluminum. Anyone have any suggestions besides painting these: