Barry looks exactly the same in person as he does on TV.
I'm unsure how long the detailing process is but I know the great majority of these cars appeared freshly restored from the frame up. I spoke to the man who restored a 1931 Duesenberg.
Quite unfortunately I did several instance of detailing no-nos even at this creme de la creme event

Oh well, I'm happy to know my cars have less marring than that brand new Maybach you can see in the album.