Cider vinegar is probably just as good and cheaper too.
Also a bath of water and baking soda with a battery charger with a sacrificial cathode will dissolve rust quite well too.
__________________
Brad Yost
1973 T/A (SOLD)
2005 GTO
1984 Grand Prix
100% Pontiacs in my driveway!!! What's in your driveway?
If you don't take some of the RACETRACK home with you, Ya got cheated 
  
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