identification · FF-0055

How can I tell a 1935-or-later Ford Flathead block from an earlier one?

Look for the crankcase ventilation tube through the block and the matching small vent in the oil pan. Steve calls the tube a telltale sign of 1935 and newer; earlier blocks and pans do not have them.

Expert

Steve Coppock

Evidence

expert attributed

Component

crankcase ventilation tube and oil pan vent

Applicable scope

1935 and later Ford Flathead V8