That port on the forward part of the engine should be straight into the crankcase with no obstructions. It's the one circled in yellow in the second pic. The first is the diagram for the cannister filters offered as an accessory when out trucks were new.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.
