In 1938 Ford made new changes to the flathead V8, the most obvious change being the use of 24 studs per head instead of 21 as previously used. The engine underwent various other changes as years passed.
In 1939 when the Mercury car line was introduced, the engine's cylinder bore was opened up for a larger displacement in the Mercury car. Changes to the distributor occurred in 1942 and again in 1946.
The cooling fan was driven by its own v-belt beginning with 1942 models. The engine continued to be cast with the upper bell housing integral with the cylinder block assembly. In the post-war production both Ford and Mercury versions had the larger bore (3-3/16").
Water outlets were in the top center of each cylinder head for all 1938 to 48 motors. Water pumps were mounted in the lower front corners of all blocks from this era, and doubled as the front motor mounting pad.
In 1939 when the Mercury car line was introduced, the engine's cylinder bore was opened up for a larger displacement in the Mercury car. Changes to the distributor occurred in 1942 and again in 1946.
The cooling fan was driven by its own v-belt beginning with 1942 models. The engine continued to be cast with the upper bell housing integral with the cylinder block assembly. In the post-war production both Ford and Mercury versions had the larger bore (3-3/16").
Water outlets were in the top center of each cylinder head for all 1938 to 48 motors. Water pumps were mounted in the lower front corners of all blocks from this era, and doubled as the front motor mounting pad.
A row of 1938 Ford Postal Vans that was taken in the centre of Batavia, 1938
Source:
http://commons.wikimedia.org/
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