Quote:
Originally Posted by Porschefile
Leave PFC dust on for a day or two, no big deal. Leave it on for a couple of weeks, very big deal. I had PFC's on my OEM wheels on my Cayman S and the brake dust was so corrosive I couldn't even get it off with a strong compound and hard bristle brush (I know, shame on me for leaving the wheels dirty for 2 weeks).
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Black wheels FTW! I just rinse my wheels so I know I have lots of old brake dust caked on...but you can't see it!