With no refuelling this year, pit stop times will focus purely on changing tyres. So how fast do you reckon they can do it? 5 seconds? 4, maybe? Surely not 3....? The Williams team recorded a time of 2.83 seconds whilst practicing this week. Now that's quick....
Does what is says on the tin. Only its a blog. Not a tin. Confused yet? Me too. (twitter = @grumpyf1)