I did not take any pictures of it at the time, because I was using a video camera, so the pictures below are stills from the video.
NOTE: These instructions do not include the valve train, but they include the valve (shown in RED). This is due to the fact that Lego Digital Desinger doesn't include the parts needed for it. I will do my best to explain how to build the valvegear, and installation of the chain.
Video in action: