I polished my car's intercooler (my first attempt at polishing) a few months ago and I used greaseless without letting it dry then went to emery, tripoli, then white. I didn't use wet sanding at all, I just got rid of the cast marks with dry sanding (the cast marks were pretty bad and I had to start at 40). I just want to know if there are better ways of doing this.
I started with this
and ended with this
