Working Ferrari 312PB 1:3 Scale Model
I found this amazing video of Pierre Scerri who built a scale model of a Ferrari 312PB. Perhaps not so amazing except everything works - it has a scale 12 cylinder engine with fuel injection, dry sump and 24 valves, a working gearbox with 5 gears and reverse! It took Pierre 15 years because he made every part from scratch and it really sounds like a Ferrari 312. Here is a longer article with some detailed pictures.