Alumaholic: Thanks for posting that, I have been wondering why the curved sections on my '99 Safari don't polish out as well as the flat parts. I kind of figured that it might be something like that or that they used a different aluminum on the curved parts. Of course mine is non-Alclad.
1999 28' Safari
2012 F150 Platinum Max Tow 7650 GVWR 3.73 Elec. Locking Diff.(Prev 2003 Dmax).
Honda EU2000i, Equalizer Hitch
AM Solar Panels 150W - 2 Trojan T 105 6V Batteries
On internet forums, please research and separate the wheat from the chaff (including mine!)