53 farmtruck I like to use something that wont leak out,so I can still air hose in there a little. Once the lubed cam is in place then work to get it closed up. Early on used GM EOS (cam lube) kinda messy. Probably lubriplate,gonna prime it anyway, never did pack any oil pump of any brand. Lately with all this cam/lifter trouble not sure what is best for our low spring pressure cams. Some use outboard motor gear lube,some gun grease,so ??? Like Hotrod said try to do just right...spin a bearing.
