Ford Flathead H Series Six 1948 to 51 Version |
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General Information In late September 1947 Ford changed the six cylinder engine to the H Series which had the same bore/stroke and displacement of the earlier G Series engine from 1941 to 1947. The newer engine had slightly higher compression and the new "Loadamatic" type distributor. 1951 was the last production year for the flathead six as Ford introduced the new over-head valve six for 1952. Other changes include larger main bearing journals, new rotor type oil pump, newer Holley carburetor (8HA-9510-A), new water pump, and one-piece valve guides. In early 1950 the camshaft was changed. Otherwise, the basic engine remained similar to the G Series design of '41 to '47. The block and head were of cast iron with the valves located in the block. The newer version gained 5hp over the G Series. The engine is easily distinguished from the G Series by distributor location....the new Loadamatic distributor is mounted to the left side of the cylinder block near the middle of the engine.
Please note that the specifications shown were taken from various Ford Shop Manuals and other industry auto repair manuals. Occasional conflicting information appeared. When available, the approved Ford specification was used. If you note a spec that differs and can support the correct information please use the Flathead Feedback form and provide your specification and source. Thanks. |
Specifications
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