I’m no pro, so take it for what it’s worth.
I used a Mikita variable speed buffer & 8 inch 80 grit Norton 80 grit pads. Like these.
http://autobodystore.net/Merchant2/m...gory_Code=SPAR
My thinking was that I need a buffer anyway. Kinda a two birds with one stone thing. YMMV
By the way, Len’s website has a lot of valuable info.
Have fun with it!
Murf