wet sanding / buffing

Depends a lot on what compounds and polishing pads your using and mostly the characteristics of the clear your working with. A lot of the new generation clears are what called scratch resistant which means they are tougher to sand and a lot harder to polish. Regardless of the clear the finer grit you finish with the easier it will be to polish out and the less chances of going thru and time spent on body lines. I personally would finish with 3000 grit. Another tip I might offer is always try to polish off of body lines and not into them and careful with rpm, you want the compound to do the cutting and not heat the clear up too much. Not something you want to rush, I'm sure it's going to turn out nice!