I Watched a show on Spike (trucks! Or hotrod tv) where they used regular toothpaste as the polishing agent along wet sanding as mentioned above.
SWEET Sergeant At Arms: Old Dominion Stovebolt Society BUNS?!?!?!Where we're going, we don't need no buns..... 1950 GMC 450 1951 Chevy 1/2-Ton The GreenMachine In the Stovebolt Gallery