FABO guys hang out at Carlisle in the pits and BBQ and drink beer
FBBO guys go to Carlisle looking for deals and envy the FABO guys
FCBO guys go to Carlisle to pay big money for food and drink and take a million pics of cars
FEBO guys go to Carlisle and hang out in the catered tent and drool over their own cars.
FRRO guys hang out in a penthouse looking over Carlisle and go through data books.
FTO guys just tailgate at Carlisle.