2013 US Grand Prix: The Red Bull Racing Team completed a pit stop for Mark Webber in 1.923 seconds.[27] This is the fastest F1 pit stop ever.
http://en.wikipedia.org/wiki/Pit_stop#Formula_One
I’d like them to change the rules to have no equipment “over the wall” until the car is stopped. Like some other series we have. Make those pit guys work a bit.