the wheels are a painted cast aluminum, I`m thinking the dark black parts are where it has been corroded through the paint/primer to the wheel. How can I clean this? I have scrubbed and scrubbed this stuff is stubborn. Any chemicals that would be helpful? Do I just need to break out a steel bristle brush?



I am cleaning up the wheel for refinishing.



thanks.



************************************************ed it 1/30/12



This is an update from CarPro



Hi Mr. ptown







it should be ok, no problem on Aluminum , just spray it there , wiat 5 min and rinse off.







if you need more help let me know







rgrds



XXX



I had no idea they were from Cyprus? weird.



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