Old gas forms a hideous varnish on the valve stems ( and everything really), causing them to stick. When this happens, the valve "hangs" and the push rod moves away from the rocker, then the rod comes back up and smashes into the rocker and bends.



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

1949 GMC Panel Truck
1926 Model TT Truck