If you are using Porter Cable than try Menzerna PO85RD and you will be impressed with the results. It will be your new friend. Menzerna works great with PC. Follow that with Menzerna FMJ or Einzett glanz wax. Check any of Phil's detailing threads and he lists the products used in each of his detail job threads.
Search for "Zaino routine" if you want to go the Zaino way.

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http://www.xoutpost.com/detailing-for...uff-rocks.html