I have read that the product to use is Meguiar's M7 Mirror Glaze Show Car Glaze
https://www.amazon.com/gp/product/B0002UQAM0/
Search online for "Meguiars m7 paint restoration" it looks to work amazing.
Oh yah...I have a nice Porter Cable orbital buffer, but for work like this I have the cheapest harbor freight rotary buffer and have had great results.
Edit: I found one of the articles I was thinking of -
https://www.autogeekonline.net/forum...ge-paints.html