identification · FF-0093

What do the small casting bumps on the side of an early Ford Flathead block identify?

The small side bumps correspond to casting core plugs in the oil-pan rail. Steve says they appear on 1932–1940 blocks and are absent from the 1941 design.

Expert

Steve Coppock

Evidence

expert attributed

Component

cylinder block and oil-pan-rail casting core plugs

Applicable scope

1932–1940 Ford Flathead V8