I thought the recomended ZF polish was some stuff is called Rub n' Buff
It is sold at stores like Micheal's or AC Moore.
If you rub it with the palm of your hand until it gets hot,It will shine like polished aluminum.The more friction heat you make the better it will shine.
See this BB page for more info:
http://pantera.infopop.cc/eve/forums/a/tpc/f/7650045562/m/8330034703/r/8330034703#8330034703
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