How long does the Ford GT Lego set take to build?

A fresh cup of coffee and some help from the dog, saw bag two dispatched in another hour, at which point the GT was looking like a properly well-engineered chassis. The dashboard, clever lower-frame of the windscreen, seats and spoiler actuation mechanism were all in place, but we were still short of blue body panels to make the big Ford step out from development and onto the road.