what kind of orbital buffer were you using? i have a porter cable with meguiars m205 cutting polish and that removes swirl marks great. GM clear coats are super hard so you have to use something high speed, with heavy pressure, with a polish that has a slight cut to it. doing it by hand is no where near as effective as using a porter cable dual action bufferyes by hand and i used the rubbing compound because i had some bad swirls....i had a **** polishing compound and an orbital buffer i used on the hood and the by hand rubbing compound seemed to make a better result i dont know why![]()