Ok, so here goes.
Best guess is give it about 3 hours with the oven cleaner and I could polish this thing in an hour or so including sanding.

wheel is a matrox 550 out of the bin

wheel

wjeel with 1 minute of sanding with 1500 grit and no oven cleaner

2 hours in oven cleaner and about 1 minute with 1500grit