Ah, well, when you take the valve cover off, and the spark plugs off, you can tun the engine over by hand, and watch the valves and rockers move.

This awesome Chevrolet film will give you some ideas.

http://www.archive.org/details/DowntheG1935



Christopher
1950 1-Ton
"Rochester"
In the Gallery
In the DITY Gallery

1949 GMC Panel Truck
1926 Model TT Truck